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https://api.github.com/repos/pandas-dev/pandas/issues/27913
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27,913
Empty series dtype discarded by reset_index with MultiIndex
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2
2019-08-14T01:41:33Z
2019-08-14T13:33:09Z
2019-08-14T13:33:08Z
NONE
null
#### Code Sample, a copy-pastable example if possible ```python import pandas as pd # this is fine pd.DataFrame({'x': pd.Series([], dtype='datetime64[ns]'), 'y': pd.Series([]), 'z': pd.Series([])}).set_index(['x']).reset_index().dtypes # this changes 'x' to float64 pd.DataFrame({'x': pd.Series([], dtype='datetime64[ns]'), 'y': pd.Series([]), 'z': pd.Series([])}).set_index(['x', 'y']).reset_index().dtypes # same behaviour with all missing pd.DataFrame({'x': pd.Series(['NaT'], dtype='datetime64[ns]'), 'y': pd.Series([2.]), 'z': pd.Series([3.])}).set_index(['x', 'y']).reset_index().dtypes ``` #### Problem description `DataFrame.reset_index` shouldn't discard the type of the index/index levels when empty or all missing. It correctly handles this for a single level index (eg DatetimeIndex), but doesn't for MultiIndex. In my case the symptom was a strange TypeError on a join, which I tracked down to the dtype of the series being lost after a `reset_index`. The problem may be the branch in [`_maybe_casted_values`](https://github.com/pandas-dev/pandas/blob/v0.25.0/pandas/core/frame.py#L4621), where values is overwritten with an np.empty() if all values are missing. I modified the condition in my copy to `if len(mask) and mask.all()` which avoids the problem for empty arrays, though not for all-missing. #### Output of ``pd.show_versions()`` I've only been able to run this with 0.24.2 so far as 0.25 fails to import on python 3.5.2 (due to [this](https://github.com/python/typing/issues/266) I think) but the relevant code in reset_index looks the same. <details> INSTALLED VERSIONS ------------------ commit: None python: 3.5.2.final.0 python-bits: 64 OS: Linux OS-release: 4.4.0-142-generic machine: x86_64 processor: x86_64 byteorder: little LC_ALL: None LANG: en_AU.UTF-8 LOCALE: en_AU.UTF-8 pandas: 0.24.2 pytest: None pip: 8.1.1 setuptools: 20.7.0 Cython: None numpy: 1.17.0 scipy: None pyarrow: None xarray: None IPython: 7.3.0 sphinx: None patsy: None dateutil: 2.8.0 pytz: 2019.2 blosc: None bottleneck: 1.2.1 tables: None numexpr: None feather: None matplotlib: 3.0.3 openpyxl: 2.6.2 xlrd: None xlwt: None xlsxwriter: 1.1.8 lxml.etree: 3.5.0 bs4: 4.4.1 html5lib: 0.999 sqlalchemy: 1.3.5 pymysql: 0.9.3 psycopg2: 2.6.1 (dt dec pq3 ext lo64) jinja2: 2.10 s3fs: None fastparquet: None pandas_gbq: None pandas_datareader: None gcsfs: None </details>
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480,449,185
MDU6SXNzdWU0ODA0NDkxODU=
27,914
Unable to use lambda function in pandas NamedAgg function
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1
2019-08-14T02:18:50Z
2019-08-14T13:26:19Z
2019-08-14T13:26:13Z
NONE
null
#### Code Sample, a copy-pastable example if possible ```python df = pd.DataFrame({'kind': ['cat', 'dog', 'cat', 'dog'], 'height': [9.1, 6.0, 9.5, 34.0], 'weight': [7.9, 7.5, 9.9, 198.0]}) # using lambda with the new NamedAgg function doesn't work ( df.groupby(by='kind') .agg(height_sqr_min=pd.NamedAgg(column='height', aggfunc=lambda x: np.min(x**2)), height_max=pd.NamedAgg(column='height', aggfunc='max'), weight_max=pd.NamedAgg(column='weight', aggfunc='max') ) ) # using lambda with implicit NamedAgg function doesn't work either ( df.groupby(by='kind') .agg(height_sqr_min=('height', lambda x: np.min(x**2)), height_max=('height', 'max'), weight_max=('weight', 'max'), ) ) ``` #### Problem description NamedAgg function introduced in pandas 0.25 doesn't seem to work with lambda functions. #### Expected Output | kind|height_sqr_min | height_max |weight_max| |----------|:-------------:|------:|------:| | cat | 82.81 | 9.5 |9.9 | | dog| 36.00 | 34.0 |198.0 | #### Output of ``pd.show_versions()`` <details> [paste the output of ``pd.show_versions()`` here below this line] INSTALLED VERSIONS ------------------ commit : None python : 3.7.3.final.0 python-bits : 64 OS : Windows OS-release : 10 machine : AMD64 processor : Intel64 Family 6 Model 158 Stepping 9, GenuineIntel byteorder : little LC_ALL : None LANG : None LOCALE : None.None pandas : 0.25.0 numpy : 1.16.4 pytz : 2019.1 dateutil : 2.8.0 pip : 19.1.1 setuptools : 41.0.1 Cython : 0.29.12 pytest : 5.0.1 hypothesis : None sphinx : 2.1.2 blosc : None feather : None xlsxwriter : 1.1.8 lxml.etree : 4.3.4 html5lib : 1.0.1 pymysql : None psycopg2 : None jinja2 : 2.10.1 IPython : 7.6.1 pandas_datareader: None bs4 : 4.7.1 bottleneck : 1.2.1 fastparquet : None gcsfs : None lxml.etree : 4.3.4 matplotlib : 3.1.0 numexpr : 2.6.9 odfpy : None openpyxl : 2.6.2 pandas_gbq : None pyarrow : None pytables : None s3fs : None scipy : 1.2.1 sqlalchemy : 1.3.5 tables : 3.5.2 xarray : None xlrd : 1.2.0 xlwt : 1.3.0 xlsxwriter : 1.1.8 </details>
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STYLE: run pre-commit filters on the repo
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11
2019-08-14T09:40:45Z
2019-08-30T17:05:45Z
2019-08-30T17:05:32Z
CONTRIBUTOR
null
I noticed that `pre-commit` is used and ran `pre-commit run --all-files` which results in massive diffs, mostly because of `isort`. I have added the correct `noqa` and `isort:skip` flags to the lines which needed it to function correctly with the current `.pre-commit-config.yaml`, such that the imports are correctly sorted now. I also added `seed-isort-config` such that `setup.cfg` is parsed for `pre-commit` and fixed the formatting of `.pre-commit-config.yaml`. ~~Finally, there is `pandas/__init__.py` that is touched by `pre-commit run --all-files`, however, this has less trivial changes and might result in something breaking, so I don't dare to touch it.~~ It was because the `skip` entry in `[isort]` in `setup.cfg` is somehow ignored when running pre-commit and I can't figure out why (I will open an issue in the `isort` repo when it's clear that this will be merged). I have also deleted the other ignored files because I fixed the problems there. `pandas/core/api.py` needs to stay in `skip` because `isort` and `black` make conflicting edits.
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MDExOlB1bGxSZXF1ZXN0MzA3MzgyNTY0
27,916
BUG: fix to_timestamp out_of_bounds
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4
2019-08-14T15:28:09Z
2019-08-20T13:54:28Z
2019-08-20T07:00:45Z
MEMBER
null
- [x] closes #19643 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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27,917
Backport PR #27907 on branch 0.25.x (Revert 37 pins)
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0
2019-08-14T19:34:39Z
2019-08-14T21:55:44Z
2019-08-14T21:55:43Z
NONE
null
Backport PR #27907: Revert 37 pins
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480,866,440
MDExOlB1bGxSZXF1ZXN0MzA3NDgwMDc1
27,918
Backport PR #27840 on branch 0.25.x (PERF: Break reference cycle for all Index types)
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0
2019-08-14T20:11:45Z
2019-08-14T21:56:07Z
2019-08-14T21:56:07Z
NONE
null
Backport PR #27840: PERF: Break reference cycle for all Index types
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480,878,821
MDExOlB1bGxSZXF1ZXN0MzA3NDg5OTY0
27,919
DOC: Fix section reference placement in whatsnew
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0
2019-08-14T20:41:21Z
2019-08-14T22:50:52Z
2019-08-14T22:50:45Z
MEMBER
null
A few of the section references are misaligned with the tick marks. Moved the misaligned references as appropriate.
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480,892,537
MDExOlB1bGxSZXF1ZXN0MzA3NTAxMTYx
27,920
Updated table with read_fwf()
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2
2019-08-14T21:15:33Z
2019-08-19T12:04:35Z
2019-08-19T11:43:35Z
CONTRIBUTOR
null
- [X] closes #27884 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry @TomAugspurger Can you merge?
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480,892,722
MDExOlB1bGxSZXF1ZXN0MzA3NTAxMzE2
27,921
BUG: Lambda function returns KeyError in DataFrameGroupBy.agg
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5
2019-08-14T21:16:03Z
2019-08-30T14:47:18Z
2019-08-30T14:47:18Z
MEMBER
null
- [x] closes #27519 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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480,904,137
MDExOlB1bGxSZXF1ZXN0MzA3NTEwNzY2
27,922
CLN: Remove incorrect check, comment, rename
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2019-08-14T21:47:59Z
2019-08-20T14:01:01Z
2019-08-20T06:35:43Z
MEMBER
null
cc @jorisvandenbossche
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480,969,140
MDExOlB1bGxSZXF1ZXN0MzA3NTYyMTQ2
27,923
CLN: simplify comparison method, docstring cleanups
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2019-08-15T02:41:41Z
2019-08-15T14:20:33Z
2019-08-15T12:44:11Z
MEMBER
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480,980,677
MDU6SXNzdWU0ODA5ODA2Nzc=
27,924
why when i read data from '.xlsx',values of one colum which type is 'str' with hyHyperlink be read as 0
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2019-08-15T03:41:44Z
2019-09-02T04:05:59Z
2019-08-15T04:03:44Z
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null
#### Code Sample, a copy-pastable example if possible ```python `import pandas as pd df=pd.read_excel(r'C:\abc.xlsx') df` ``` #### Problem description my pandas version is 0.25.0 I do not know why that happened, I have a excel with one column whose type is str with hyperlink,when I use the read_excel function to read it ,that column data become 0,and its type is int64, that is strange. And if I open the excel to delete the hyperlink of just one cell of that columns ,this problem is solved. Actually I do not know is it really the hyperlink make this problem。 How can I just read it as str without open my excel to cancel the hyperlink? And I really don't know why it is become 0 and int64. Thanks
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480,986,523
MDExOlB1bGxSZXF1ZXN0MzA3NTc1NDU0
27,925
BUG: Help python csv engine read binary buffers
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2019-08-15T04:15:34Z
2019-08-19T16:23:41Z
2019-08-19T16:23:41Z
CONTRIBUTOR
null
The file buffer given to read_csv could have been opened in binary mode, but the python csv reader errors on binary buffers. - [x] closes #23779 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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MDExOlB1bGxSZXF1ZXN0MzA3NjAxOTQx
27,926
Fix regression in .ix fallback with IntervalIndex
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11
2019-08-15T06:54:38Z
2019-08-20T06:47:37Z
2019-08-19T19:26:21Z
MEMBER
null
closes #27865 cc @jbrockmendel this is another one from limiting the catched exceptions in https://github.com/pandas-dev/pandas/pull/27223/files#diff-7489e290a23303c4db4f803011ecaf8eR121. But also this time it's again rather a bug in the code that raises this error. For some reason, `DataFrame._get_value` for a DataFrame with an IntervalIndex raises an AttributeError. That's a bug in itself which should be solved (and probably is the cause of more bugs in other places where `_get_value` is used, eg in `.at`). But will open a separate issue for that.
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27,927
BUG: DataFrame._get_value not working for IntervalIndex
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MEMBER
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Follow-up on https://github.com/pandas-dev/pandas/pull/27926 and https://github.com/pandas-dev/pandas/issues/27865 `DataFrame._get_value` with an IntervalIndex is not working properly: ``` In [24]: df = DataFrame( ...: np.random.randn(5, 2), ...: columns=["a", "b"], ...: index=pd.IntervalIndex.from_breaks([-np.inf, 0, 1, 2, 3, np.inf]), ...: ) In [26]: df._get_value(df.index[0], 'a') --------------------------------------------------------------------------- AttributeError Traceback (most recent call last) <ipython-input-26-ce242a095ada> in <module> ----> 1 df._get_value(df.index[0], 'a') ~/scipy/pandas/pandas/core/frame.py in _get_value(self, index, col, takeable) 2953 2954 try: -> 2955 return engine.get_value(series._values, index) 2956 except KeyError: 2957 # GH 20629 AttributeError: 'pandas._libs.interval.IntervalTree' object has no attribute 'get_value' ``` This `_get_value` is used in `ix` which is deprecated, but also in `at` which is not deprecated: ``` In [27]: df.at[df.index[0], 'a'] ... AttributeError: 'pandas._libs.interval.IntervalTree' object has no attribute 'get_value' ```
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481,026,167
MDExOlB1bGxSZXF1ZXN0MzA3NjA2Nzk1
27,928
Assignment of column via .loc for numpy non-ns datetimes
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8
2019-08-15T07:16:16Z
2019-09-13T13:19:42Z
2019-09-13T13:19:38Z
CONTRIBUTOR
null
- [x] closes #27395 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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481,092,356
MDExOlB1bGxSZXF1ZXN0MzA3NjU5MDkw
27,929
API/DEPR: Change default skipna behaviour + deprecate numeric_only in Categorical.min and max
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19
2019-08-15T10:33:36Z
2019-12-02T10:47:34Z
2019-12-02T10:37:12Z
CONTRIBUTOR
null
- closes #25303 and follow up https://github.com/pandas-dev/pandas/pull/27801#discussion_r313075771 - 1 test added - passes `black pandas` - passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - whatsnew entry
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27,930
Series.div raises TypeError: unsupported operand type(s)
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3
2019-08-15T11:24:17Z
2019-08-15T13:38:43Z
2019-08-15T12:32:35Z
CONTRIBUTOR
null
#### Code Sample, a copy-pastable example if possible ```python # Your code here kmPerMinute = df['mileageInKm'].div(df['driveDurationInMinutes']) Traceback (most recent call last): File "/app/src/report_trip.py", line 215, in check_car kmPerMinute = df['mileageInKm'].div(df['driveDurationInMinutes']) File "/home/python/.local/lib/python3.6/site-packages/pandas/core/ops.py", line 1870, in flex_wrapper return self._binop(other, op, level=level, fill_value=fill_value) File "/home/python/.local/lib/python3.6/site-packages/pandas/core/series.py", line 2459, in _binop result = func(this_vals, other_vals) TypeError: unsupported operand type(s) for /: 'NoneType' and 'float' ``` #### Problem description I can't see how I could even get this error. It would require that `this_vals is None` in `series.py:_binop()`, which I don't see how could ever happen. #### Expected Output A `pandas.Series` with the result of the division. #### Output of ``pd.show_versions()`` <details> INSTALLED VERSIONS ------------------ commit: None python: 3.6.8.final.0 python-bits: 64 OS: Linux OS-release: 4.14.127+ machine: x86_64 processor: x86_64 byteorder: little LC_ALL: None LANG: None LOCALE: None.None pandas: 0.24.1 pytest: None pip: 19.2.1 setuptools: 41.0.1 Cython: None numpy: 1.16.3 scipy: 1.3.1 pyarrow: 0.13.0 xarray: None IPython: None sphinx: None patsy: None dateutil: 2.8.0 pytz: 2019.2 blosc: None bottleneck: None tables: None numexpr: None feather: None matplotlib: 3.0.2 openpyxl: 2.5.12 xlrd: 1.2.0 xlwt: None xlsxwriter: 1.1.2 lxml.etree: None bs4: None html5lib: None sqlalchemy: 1.2.16 pymysql: 0.8.1 psycopg2: None jinja2: None s3fs: None fastparquet: None pandas_gbq: None pandas_datareader: None gcsfs: None </details>
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481,145,370
MDU6SXNzdWU0ODExNDUzNzA=
27,931
xtick label have wrong position.
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3
2019-08-15T13:14:55Z
2021-07-10T19:38:06Z
null
NONE
null
#### Code Sample, a copy-pastable example if possible ```python df_plot_0.plot(ax=ax[0], linestyle='None', marker='o', markersize=2.5, rot=90) ``` #### Problem description My dataframe is 2015-2019, 5 years timeseries. Use The default parameter to plot, got wrong xticks. ![0_EDI_TS_1376 0Hz](https://user-images.githubusercontent.com/4538383/63096896-a9bebb80-bfa1-11e9-898f-f5ad5058696f.png) #### Expected Output #### Output of ``pd.show_versions()`` <details> [paste the output of ``pd.show_versions()`` here below this line] INSTALLED VERSIONS ------------------ commit : None python : 3.7.3.final.0 python-bits : 64 OS : Windows OS-release : 10 machine : AMD64 processor : Intel64 Family 6 Model 158 Stepping 10, GenuineIntel byteorder : little LC_ALL : None LANG : None LOCALE : None.None pandas : 0.25.0 numpy : 1.16.4 pytz : 2019.1 dateutil : 2.8.0 pip : 19.1.1 setuptools : 41.0.1 Cython : 0.29.12 pytest : 5.0.1 hypothesis : None sphinx : 2.1.2 blosc : None feather : None xlsxwriter : 1.1.8 lxml.etree : 4.3.4 html5lib : 1.0.1 pymysql : None psycopg2 : None jinja2 : 2.10.1 IPython : 7.7.0 pandas_datareader: None bs4 : 4.7.1 bottleneck : 1.2.1 fastparquet : None gcsfs : None lxml.etree : 4.3.4 matplotlib : 3.1.1 numexpr : 2.6.9 odfpy : None openpyxl : 2.6.2 pandas_gbq : None pyarrow : None pytables : None s3fs : None scipy : 1.1.0 sqlalchemy : 1.3.5 tables : 3.5.1 xarray : 0.12.1 xlrd : 1.2.0 xlwt : 1.3.0 xlsxwriter : 1.1.8 </details>
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MDExOlB1bGxSZXF1ZXN0MzA3NzA1NTA1
27,932
BUG: Ensure that fill_na in Categorical only replaces null values
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3
2019-08-15T13:27:46Z
2019-08-22T08:38:45Z
2019-08-16T11:22:20Z
MEMBER
null
- [x] closes #26215 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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481,170,458
MDExOlB1bGxSZXF1ZXN0MzA3NzIxNTYz
27,933
TST: Asserts all types are caterogical in function fillna with correct error message
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2
2019-08-15T14:12:40Z
2019-10-29T12:12:31Z
2019-08-16T12:14:43Z
CONTRIBUTOR
null
- [x] closes #13628 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff - [x] whatsnew entry
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481,179,746
MDExOlB1bGxSZXF1ZXN0MzA3NzI5MDM5
27,934
BUG: set_precision format fixed (#13257)
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15
2019-08-15T14:32:22Z
2019-12-26T14:51:04Z
2019-10-22T01:53:38Z
CONTRIBUTOR
null
- [x] closes #13257 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry I've tried to fix the set_precision format, does that fix it? ### INPUT -> df.style.set_precision(2) | A | B | | --- | --- | | 1 | 2.0090 | | 3.2121 | 4.566 | ### OUTPUT | A | B | | --- | --- | | 1 | 2.01 | | 3.21 | 4.57 | @vinigl @samuelgranato
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481,182,322
MDU6SXNzdWU0ODExODIzMjI=
27,935
ENH: Cumsum with reset after certain upper/lower boundary is reached.
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10
2019-08-15T14:37:57Z
2020-09-01T12:06:30Z
null
CONTRIBUTOR
null
A cool new feature would be to have a reset value as an argument in the `cumsum` method. So for example if the cumsum value reaches the _lower_ boundary of 0, it resets to 0. Here's an example stolen from [this](https://stackoverflow.com/questions/57510604/perfrom-cumulative-sum-over-a-column-but-reset-to-0-if-sum-become-negative-in-pa/57511154?noredirect=1#comment101490704_57511154) question: ``` df = pd.DataFrame({'Item':'A', 'Value':[7,2,-6,-70,8,0]}) Item Value 0 A 7 1 A 2 2 A -6 3 A -70 4 A 8 5 A 0 ``` **Expected output** ``` [7, 9, 3, 0, 8, 8] ``` As you can see, the cumsum restes after it hits `0` or less. There are some solutions on SO right: - [Solution 1](https://stackoverflow.com/a/57511154/9081267) - [Solution 2](https://stackoverflow.com/a/56905635/9081267) (note: different question, but same problem) - [Solution 3](https://stackoverflow.com/a/56904650/9081267) (note: different question, but same problem) I think this would be a nice improvement to the `cumsum` method as an argument for example: ``` df['Value'].cumsum(lower_boundary=0) ``` Somewhat the same as `np.clip` does with the `a_min` and `a_max` arguments.
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481,213,421
MDExOlB1bGxSZXF1ZXN0MzA3NzU2MjAy
27,936
REF: implement array_ops
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1
2019-08-15T15:44:38Z
2019-08-16T13:56:59Z
2019-08-16T12:12:28Z
MEMBER
null
This begins the process of separating the (ndarray|EA)-specific parts of Series ops out from the Series ops themselves. Eventually these will a) become the op implementations for PandasArray, and b) be used block-wise instead of column-wise for DataFrame ops.
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MDU6SXNzdWU0ODEzMTk4NjU=
27,937
ValueError on assigning multiple NaN/None to Categorial Series when all categories are Intervals
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2
2019-08-15T20:16:50Z
2021-10-05T00:32:37Z
2021-10-05T00:32:37Z
NONE
null
#### Reproducing the error: ```python import numpy as np, pandas as pd # providing CategoricalDtype via e.g. pd.cut will also produce the error s = pd.Series([np.nan, np.nan, np.nan, np.nan], dtype=pd.CategoricalDtype(categories=[pd.Interval(0,1)])) s.iloc[:3] = [np.nan, pd.Interval(0,1), np.nan] # ValueError: Reindexing only valid with uniquely valued Index objects # these work: s.iloc[:3] = [np.nan, np.nan, np.nan] s.iloc[:3] = [np.nan, pd.Interval(0,1), pd.Interval(0,1)] # as does: s = pd.Series([np.nan, np.nan, np.nan, np.nan], dtype=pd.CategoricalDtype(categories=['not-an-interval', pd.Interval(0,1)])) s.iloc[:3] = [np.nan, pd.Interval(0,1), np.nan] # as does: d = pd.DataFrame({'s': pd.Series([np.nan]*4, dtype=pd.cut(range(3), bins=2).dtype), 'a': range(4)}) d['s'] = [np.nan, pd.Interval(1.0, 2.0), np.nan, np.nan] d.loc[slice(0,2,1), 's'] = [pd.Interval(1.0, 2.0), np.nan, np.nan] # but NOT: d = pd.DataFrame({'s': pd.Series([np.nan]*4, dtype=pd.cut(range(3), bins=2).dtype), 'a': range(4)}) d.loc[slice(0,2,1), 's'] = [pd.Interval(1.0, 2.0), np.nan, np.nan] ``` The full traceback: <details> ``` --------------------------------------------------------------------------- ValueError Traceback (most recent call last) <ipython-input-30-ca2aabf517a0> in <module> 1 s = pd.Series([np.nan, np.nan, np.nan, np.nan], dtype=pd.CategoricalDtype(categories=[pd.Interval(0,1)])) ----> 2 s.iloc[:3] = [np.nan, pd.Interval(0,1), np.nan] c:\python36\lib\site-packages\pandas\core\indexing.py in __setitem__(self, key, value) 200 key = com.apply_if_callable(key, self.obj) 201 indexer = self._get_setitem_indexer(key) --> 202 self._setitem_with_indexer(indexer, value) 203 204 def _validate_key(self, key, axis: int): c:\python36\lib\site-packages\pandas\core\indexing.py in _setitem_with_indexer(self, indexer, value) 577 # actually do the set 578 self.obj._consolidate_inplace() --> 579 self.obj._data = self.obj._data.setitem(indexer=indexer, value=value) 580 self.obj._maybe_update_cacher(clear=True) 581 c:\python36\lib\site-packages\pandas\core\internals\managers.py in setitem(self, **kwargs) 558 559 def setitem(self, **kwargs): --> 560 return self.apply("setitem", **kwargs) 561 562 def putmask(self, **kwargs): c:\python36\lib\site-packages\pandas\core\internals\managers.py in apply(self, f, axes, filter, do_integrity_check, consolidate, **kwargs) 436 kwargs[k] = obj.reindex(b_items, axis=axis, copy=align_copy) 437 --> 438 applied = getattr(b, f)(**kwargs) 439 result_blocks = _extend_blocks(applied, result_blocks) 440 c:\python36\lib\site-packages\pandas\core\internals\blocks.py in setitem(self, indexer, value) 1834 1835 check_setitem_lengths(indexer, value, self.values) -> 1836 self.values[indexer] = value 1837 return self 1838 c:\python36\lib\site-packages\pandas\core\arrays\categorical.py in __setitem__(self, key, value) 2182 from pandas import Index 2183 -> 2184 to_add = Index(rvalue).difference(self.categories) 2185 2186 # no assignments of values not in categories, but it's always ok to set c:\python36\lib\site-packages\pandas\core\indexes\interval.py in func(intvidx_self, other, sort) 163 raise TypeError(msg.format(op=self.op_name)) 164 --> 165 return setop(intvidx_self, other, sort) 166 167 return func c:\python36\lib\site-packages\pandas\core\indexes\interval.py in func(self, other, sort) 1267 @SetopCheck(op_name=op_name) 1268 def func(self, other, sort=sort): -> 1269 result = getattr(self._multiindex, op_name)(other._multiindex, sort=sort) 1270 result_name = get_op_result_name(self, other) 1271 c:\python36\lib\site-packages\pandas\core\indexes\multi.py in difference(self, other, sort) 3299 this = self._get_unique_index() 3300 -> 3301 indexer = this.get_indexer(other) 3302 indexer = indexer.take((indexer != -1).nonzero()[0]) 3303 c:\python36\lib\site-packages\pandas\core\indexes\multi.py in get_indexer(self, target, method, limit, tolerance) 2423 if not self.is_unique: 2424 raise ValueError( -> 2425 "Reindexing only valid with uniquely valued " "Index objects" 2426 ) 2427 ValueError: Reindexing only valid with uniquely valued Index objects ``` </details> #### Problem description The problem is a bit specific: the assignment has to be to a slice, the Categorical Series/DataFrame must have all Intervals for categories, and the rhs must have at least 2 `np.nan` (or None) but not all of its elements should be `np.nan` or else the assignment will work. My guess is that this has something to do with the fact that when a Series or DataFrame column has a CategoricalDtype where the categories are all Intervals, inspection of the object shows that the categories are stored as an IntervalIndex: ```python In [1]: s.dtype.categories Out[1]: IntervalIndex([(0, 1]], closed='right', dtype='interval[int64]') ``` whereas a categorical object with non-Interval categories mixed in stores them as just a vanilla Index, and in the case of setting values to the DataFrame column it changes the column's dtype to `dtype('O')`. #### Expected Output ```python import numpy as np, pandas as pd s = pd.Series([np.nan, np.nan, np.nan, np.nan], dtype=pd.CategoricalDtype(categories=[pd.Interval(0,1)])) s.iloc[:3] = [np.nan, pd.Interval(0,1), np.nan] print(s) #0 NaN #1 (0, 1] #2 NaN #3 NaN #Length: 4, dtype: category #Categories (1, interval[int64]): [(0, 1]] ``` #### Output of ``pd.show_versions()`` <details> INSTALLED VERSIONS ------------------ commit : None python : 3.6.1.final.0 python-bits : 64 OS : Windows OS-release : 10 machine : AMD64 processor : Intel64 Family 6 Model 94 Stepping 3, GenuineIntel byteorder : little LC_ALL : None LANG : None LOCALE : None.None pandas : 0.25.0 numpy : 1.17.0 pytz : 2018.3 dateutil : 2.8.0 pip : 19.2.1 setuptools : 41.0.1 Cython : 0.25.2 pytest : 3.7.2 hypothesis : None sphinx : None blosc : None feather : None xlsxwriter : None lxml.etree : None html5lib : 0.9999999 pymysql : 0.7.11.None psycopg2 : None jinja2 : 2.10.1 IPython : 7.5.0 pandas_datareader: None bs4 : None bottleneck : 1.2.1 fastparquet : None gcsfs : None lxml.etree : None matplotlib : 3.0.2 numexpr : 2.7.0 odfpy : None openpyxl : 2.4.8 pandas_gbq : None pyarrow : None pytables : None s3fs : None scipy : 1.1.0 sqlalchemy : None tables : 3.5.2 xarray : None xlrd : 1.0.0 xlwt : None xlsxwriter : None </details>
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27,938
Backport PR #27878 on branch 0.25.x (TST: Raise ValueError and suggestion to use header=None if header=-1 is pa…)
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0
2019-08-15T20:27:58Z
2019-08-16T01:27:55Z
2019-08-16T01:27:55Z
NONE
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Backport PR #27878: TST: Raise ValueError and suggestion to use header=None if header=-1 is pa…
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27,939
CLN: docstrings, circularity in core.computation
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1
2019-08-15T21:08:43Z
2019-08-16T13:56:17Z
2019-08-16T12:11:11Z
MEMBER
null
Things noticed while looking through this directory: - computation.pytables is only used io.pytables, might not belong in core.computation - UndefinedVariableError looks like it was defined as part of a `# python 3 compat kludge`, might no longer be necessary
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MDExOlB1bGxSZXF1ZXN0MzA3ODY0NDUx
27,940
Fix typos in HDFStore docs
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2019-08-16T15:39:10Z
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CLN: internals.blocks cleanup, typing
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2019-08-27T20:48:21Z
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27,942
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2019-08-15T23:13:17Z
2019-08-16T20:32:18Z
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cc @datapythonista
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DataFrame that deserialized from pyarrow cannot be used to `merge`
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2
2019-08-16T03:34:21Z
2019-08-16T12:08:17Z
2019-08-16T12:08:17Z
CONTRIBUTOR
null
#### Code Sample, a copy-pastable example if possible ```python In [1]: data1 = pd.DataFrame(np.arange(20).reshape((4, 5)) + 1, columns=['a', 'b', 'c', 'd', 'e']) In [2]: data2 = pd.DataFrame(np.arange(20).reshape((5, 4)) + 1, columns=['a', 'b', 'x', 'y']) In [3]: import pyarrow as pa In [4]: d1 = pa.deserialize(pa.serialize(data1).to_buffer()) In [5]: d2 = pa.deserialize(pa.serialize(data2).to_buffer()) In [6]: d1.merge(d2) ``` #### Problem description The above code raises an exception: ```python In [7]: d1.merge(d2) --------------------------------------------------------------------------- ValueError Traceback (most recent call last) <ipython-input-8-f852b96f603a> in <module> ----> 1 d1.merge(d2) ~/pandas/pandas/core/frame.py in merge(self, right, how, on, left_on, right_on, left_index, right_index, sort, suffixes, copy, indicator, validate) 7261 copy=copy, 7262 indicator=indicator, -> 7263 validate=validate, 7264 ) 7265 ~/pandas/pandas/core/reshape/merge.py in merge(left, right, how, on, left_on, right_on, left_index, right_index, sort, suffixes, copy, indicator, validate) 82 validate=validate, 83 ) ---> 84 return op.get_result() 85 86 ~/pandas/pandas/core/reshape/merge.py in get_result(self) 625 self.left, self.right = self._indicator_pre_merge(self.left, self.right) 626 --> 627 join_index, left_indexer, right_indexer = self._get_join_info() 628 629 ldata, rdata = self.left._data, self.right._data ~/pandas/pandas/core/reshape/merge.py in _get_join_info(self) 842 ) 843 else: --> 844 (left_indexer, right_indexer) = self._get_join_indexers() 845 846 if self.right_index: ~/pandas/pandas/core/reshape/merge.py in _get_join_indexers(self) 821 """ return the join indexers """ 822 return _get_join_indexers( --> 823 self.left_join_keys, self.right_join_keys, sort=self.sort, how=self.how 824 ) 825 ~/pandas/pandas/core/reshape/merge.py in _get_join_indexers(left_keys, right_keys, sort, how, **kwargs) 1285 1286 # get left & right join labels and num. of levels at each location -> 1287 llab, rlab, shape = map(list, zip(*map(fkeys, left_keys, right_keys))) 1288 1289 # get flat i8 keys from label lists ~/pandas/pandas/core/reshape/merge.py in _factorize_keys(lk, rk, sort) 1882 rizer = klass(max(len(lk), len(rk))) 1883 -> 1884 llab = rizer.factorize(lk) 1885 rlab = rizer.factorize(rk) 1886 ~/pandas/pandas/_libs/hashtable.pyx in pandas._libs.hashtable.Int64Factorizer.factorize() 109 return self.count 110 --> 111 def factorize(self, int64_t[:] values, sort=False, 112 na_sentinel=-1, na_value=None): 113 """ ~/pandas/pandas/_libs/hashtable.cpython-37m-darwin.so in View.MemoryView.memoryview_cwrapper() ~/pandas/pandas/_libs/hashtable.cpython-37m-darwin.so in View.MemoryView.memoryview.__cinit__() ValueError: buffer source array is read-only ``` #### Expected Output `d1.copy(deep=True).merge(d2.copy(deep=True))` could give the correct result: ```python In [10]: d1.copy(deep=True).merge(d2.copy(deep=True)) Out[10]: a b c d e x y 0 1 2 3 4 5 3 4 ``` #### Output of ``pd.show_versions()`` I'm working with pandas master so `show_version()` doesn't work. The git commit hash is `a818281a45f7b5bd24f050e5d6868894c5108db6` (the latest version on master branch at 2019-08-16).
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Upgrade groupby feature
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2019-08-16T05:06:32Z
2019-08-16T06:42:26Z
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CONTRIBUTOR
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- [ ] closes #xxxx - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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ENH:Return new Series when missing data in group keys is
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2019-08-16T07:00:32Z
2019-08-22T14:19:19Z
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CONTRIBUTOR
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ENH: missing data in index would not raise exception - [x] closes #20519 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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BUG: Merge with readonly arrays
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2019-08-16T11:17:20Z
2019-08-16T13:24:02Z
2019-08-16T12:08:17Z
CONTRIBUTOR
null
Closes #27943
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2019-08-16T11:22:41Z
2019-08-16T12:07:42Z
2019-08-16T12:07:42Z
NONE
null
Backport PR #27932: BUG: Ensure that fill_na in Categorical only replaces null values
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2019-08-16T12:08:27Z
2019-08-16T18:51:23Z
2019-08-16T18:51:23Z
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Backport PR #27946: BUG: Merge with readonly arrays
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API: Add string extension type
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42
2019-08-16T15:22:23Z
2019-10-07T11:33:37Z
2019-10-05T23:17:41Z
CONTRIBUTOR
null
This adds a new extension type 'string' for storing string data. The data model is essentially unchanged from master. String are still stored in an object-dtype ndarray. Scalar elements are still Python strs, and `np.nan` is still used as the string dtype. Things are pretty well contained. The major changes outside the new array are 1. docs 2. `core/strings.py` to handle things correctly (mostly, returning `string` dtype when there's a `string` input. No rush on reviewing this. Just parking it here for now.
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2019-09-02T22:53:49Z
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MEMBER
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Hopefully before long we can get rid of `box` fixture altogether, then rename `box_with_array` to `box`
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481,696,475
MDExOlB1bGxSZXF1ZXN0MzA4MTQ2NTAx
27,951
BUG: Remove null values before sorting during groupby nunique calculation
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13
2019-08-16T16:52:28Z
2019-09-07T12:17:38Z
2019-09-07T11:29:41Z
MEMBER
null
- [x] Closes #27904 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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27,952
`series.dt.tz_localize()` on Categorical operates on categories, not values
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3
2019-08-16T17:56:52Z
2019-11-02T20:19:35Z
2019-11-02T20:19:35Z
CONTRIBUTOR
null
#### Code Sample, a copy-pastable example if possible ```python datetimes = pd.Series(['2019-01-01', '2019-01-01', '2019-01-02'], dtype='datetime64[ns]') categorical = datetimes.astype('category') categorical.dt.tz_localize(None) ``` Produces: ``` 0 2019-01-01 1 2019-01-02 dtype: datetime64[ns] ``` #### Problem description `.dt.tz_localize()` is operating on `categorical.cat.categories`. It should be operating on `categorical.astype('datetime64[ns]').values`. This is just plain wrong. #### Expected Output According to [Categorical docs](https://pandas.pydata.org/pandas-docs/stable/user_guide/categorical.html#string-and-datetime-accessors), "The returned Series (or DataFrame) is of the same type as if you used the .str.<method> / .dt.<method> on a Series of that type (and not of type category!).". So I think the expected value to be: ``` >>> datetimes.dt.tz_localize(None) 0 2019-01-01 1 2019-01-01 2 2019-01-02 dtype: datetime64[ns] ``` #### Output of ``pd.show_versions()`` <details> INSTALLED VERSIONS ------------------ commit : None python : 3.7.2.final.0 python-bits : 64 OS : Linux OS-release : 5.2.8-200.fc30.x86_64 machine : x86_64 processor : byteorder : little LC_ALL : None LANG : C.UTF-8 LOCALE : en_US.UTF-8 pandas : 0.25.0 numpy : 1.17.0 pytz : 2019.2 dateutil : 2.8.0 pip : 19.0.2 setuptools : 40.8.0 Cython : None pytest : None hypothesis : None sphinx : None blosc : None feather : None xlsxwriter : None lxml.etree : 4.3.0 html5lib : 1.0.1 pymysql : None psycopg2 : 2.8.3 (dt dec pq3 ext lo64) jinja2 : None IPython : None pandas_datareader: None bs4 : 4.7.1 bottleneck : None fastparquet : 0.3.2 gcsfs : None lxml.etree : 4.3.0 matplotlib : None numexpr : None odfpy : None openpyxl : None pandas_gbq : None pyarrow : None pytables : None s3fs : None scipy : None sqlalchemy : None tables : None xarray : None xlrd : 1.2.0 xlwt : None xlsxwriter : None </details>
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DataFrame constructor fails with extension dtype and columns
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0
2019-08-16T17:59:09Z
2020-05-09T19:56:15Z
2020-05-09T19:56:15Z
CONTRIBUTOR
null
I *think* this should be supported. ```python In [8]: pd.DataFrame(columns=['a'], dtype=pd.CategoricalDtype()) --------------------------------------------------------------------------- TypeError Traceback (most recent call last) <ipython-input-8-a44ecacab92a> in <module> ----> 1 pd.DataFrame(columns=['a'], dtype=pd.CategoricalDtype()) ~/sandbox/pandas/pandas/core/frame.py in __init__(self, data, index, columns, dtype, copy) 405 ) 406 elif isinstance(data, dict): --> 407 mgr = init_dict(data, index, columns, dtype=dtype) 408 elif isinstance(data, ma.MaskedArray): 409 import numpy.ma.mrecords as mrecords ~/sandbox/pandas/pandas/core/internals/construction.py in init_dict(data, index, columns, dtype) 224 # no obvious "empty" int column 225 if missing.any() and not is_integer_dtype(dtype): --> 226 if dtype is None or np.issubdtype(dtype, np.flexible): 227 # GH#1783 228 nan_dtype = object ~/Envs/pandas-dev/lib/python3.7/site-packages/numpy/core/numerictypes.py in issubdtype(arg1, arg2) 391 """ 392 if not issubclass_(arg1, generic): --> 393 arg1 = dtype(arg1).type 394 if not issubclass_(arg2, generic): 395 arg2_orig = arg2 TypeError: data type not understood ``` **Expected Output** ```python In [10]: pd.DataFrame(columns=['a']).astype('category') Out[10]: Empty DataFrame Columns: [a] Index: [] ```
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27,954
Two bugs with datetime and df to and from csv files
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2019-08-16T18:41:30Z
2020-03-08T17:20:36Z
2020-03-08T17:20:35Z
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1- If index in a df is datetime.date format, when you export it to csv files it returns as timestamp with date and 00 for hours, minutes seconds 2- If column type in dateframe is %b-%y when you export it to csv and back it converts the year to day and each value is current year.
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27,955
DOC/TST: update the parquet (pyarrow >= 0.15) docs and tests regarding Categorical support
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1
2019-08-16T19:03:09Z
2019-10-04T19:48:04Z
2019-10-04T19:48:04Z
MEMBER
null
Wes is doing great work in Apache Arrow on parquet's categorical support, which means that roundtripping to parquet with `to_parquet`/`read_parquet` will preserve categorical dtypes (and with a much better performance as before). See https://issues.apache.org/jira/browse/ARROW-3246 (and linked issues), https://github.com/apache/arrow/pull/5110 We will need to: - update the tests for pyarrow to test this faithful roundtrip (depending on the pyarrow version): https://github.com/pandas-dev/pandas/blob/802f67046bbae0a815b2fe9d20d2217485bbc942/pandas/tests/io/test_parquet.py#L409, https://github.com/pandas-dev/pandas/blob/802f67046bbae0a815b2fe9d20d2217485bbc942/pandas/tests/io/test_parquet.py#L451 - update the documentation. Eg the caveats section at https://dev.pandas.io/user_guide/io.html#parquet
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TST: xfail on 37, win
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0
2019-08-16T19:16:26Z
2019-08-16T20:06:39Z
2019-08-16T20:06:36Z
CONTRIBUTOR
null
Closes https://github.com/pandas-dev/pandas/issues/27902
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27,957
Backport PR #27956 on branch 0.25.x (TST: xfail on 37, win)
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0
2019-08-16T20:07:19Z
2019-08-17T20:20:31Z
2019-08-17T20:20:30Z
NONE
null
Backport PR #27956: TST: xfail on 37, win
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27,958
TST: update pandas_datareader dep, fix xfail
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1
2019-08-16T22:50:01Z
2021-11-20T23:22:01Z
2019-08-20T23:40:37Z
MEMBER
null
Locally the test fails because Quandl wants an API key, so fixing this test may be a multi-step process
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REF: use dispatch_to_extension_op for bool ops
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4
2019-08-17T00:26:59Z
2019-09-03T01:50:14Z
2019-09-02T21:26:54Z
MEMBER
null
Along with #27912 this completes the process of doing this for all Series ops. From there we can move the array-specific components to array_ops and define the PandasArray ops appropriately.
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27,960
DOC: Add missing parameters to Series constructor
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2019-08-17T01:00:28Z
2019-08-27T22:25:13Z
2019-08-27T22:25:13Z
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null
Added documentation to pandas.Series for "name" and "fastpath" parameters.
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pandas.read_parquet now has info that it accepts path_to_directory that contains multiple parquet files
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2019-08-17T01:41:48Z
2019-10-22T01:45:52Z
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BUG: TimedeltaArray - Index result.name
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2019-08-17T02:59:37Z
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2019-08-17T16:56:23Z
2019-11-08T16:42:47Z
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updated default quoting on to_csv function to csv.QUOTE_NONNUMERIC
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DOC: Examples added for different types of plots in visualizations user guide
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DOC: Added documentation to name and fastpath arguments in series.py
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2019-08-19T14:01:34Z
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- [X] closes #27178 - [N/A] tests added / passed - [N/A] passes `black pandas` - [N/A] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [N/A] whatsnew entry
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BUG: don't cache pandas matplotlib converters (#27036)
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2019-08-23T03:13:24Z
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- [ ] closes #27036 - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry #27036 is caused by pandas converters replacing default converters in the cache when we register our matplotlib converters.
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2019-08-17T18:37:15Z
2019-08-17T21:20:10Z
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- [x] closes #xxxx - [ ] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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Added try-except clause to catch numpy error.
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- [x] closes #27953 - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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DOC: Save File Image not found when generating Docs in parallel
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2019-08-17T19:08:27Z
2019-08-18T08:23:48Z
2019-08-18T08:23:48Z
CONTRIBUTOR
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#### Problem description As a part of #27804 I tried adding `num-jobs=4` while generating docs. But the doc generation part fails since `doc/source/whatsnew/v0.7.3.rst` file refers to an image in `../savefig/scatter_matrix_kde.png` which is not generated from `doc/source/user_guide/visualization.rst` #### Proposed solutions Few solutions from the top of my mind 1. We can move these referenced files and have a static copy in `_static`(there are only 4 files we need to copy) 2. Remove these references from the `v0.7.3` since it is outdated Discussing this with @datapythonista open to the community's thought on this.
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Added Engine Disposal Documentation
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2019-08-17T19:17:56Z
2019-10-22T01:42:37Z
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Created hyperlink to SQLAlchemy docs for Engine Disposal responsibilities of user. Unified wording of legacy support for sqlite - [x] closes #23086 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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1
2019-08-17T19:52:49Z
2019-08-30T15:37:19Z
2019-08-26T02:21:36Z
CONTRIBUTOR
null
xref #23630
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https://github.com/pandas-dev/pandas/pull/27974
481,923,256
MDExOlB1bGxSZXF1ZXN0MzA4MzE2Njgy
27,974
test case for transform with fillna #27905
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6
2019-08-17T20:26:36Z
2019-10-22T01:37:11Z
2019-10-22T01:37:11Z
NONE
null
- [x] closes #27905 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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481,924,892
MDExOlB1bGxSZXF1ZXN0MzA4MzE3Njkz
27,975
Series.rename now handles values by Series constructor
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5
2019-08-17T20:47:15Z
2019-08-27T22:19:16Z
2019-08-27T22:19:16Z
NONE
null
- [x] closes #27813 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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481,927,234
MDU6SXNzdWU0ODE5MjcyMzQ=
27,976
Fix PR02 issues in docstrings
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15
2019-08-17T21:18:31Z
2021-07-10T19:41:35Z
null
MEMBER
null
Fix the docstrings where an unknown parameter is documented (likely that they are typos, errors in the parameter format...). Current errors: ``` $ ./scripts/validate_docstrings.py --errors=PR02 pandas.Series.astype: Unknown parameters {kwargs} pandas.Series.pipe: Unknown parameters {args, kwargs} pandas.Series.clip: Unknown parameters {*args, **kwargs} pandas.Series.cummax: Unknown parameters {*args, **kwargs :} pandas.Series.cummin: Unknown parameters {*args, **kwargs :} pandas.Series.cumprod: Unknown parameters {*args, **kwargs :} pandas.Series.cumsum: Unknown parameters {*args, **kwargs :} pandas.Series.mad: Unknown parameters {**kwargs, numeric_only} pandas.Series.compound: Unknown parameters {**kwargs, numeric_only} pandas.Series.drop: Unknown parameters {index, columns} pandas.Series.idxmax: Unknown parameters {*args, **kwargs} pandas.Series.idxmin: Unknown parameters {*args, **kwargs} pandas.Series.reindex: Unknown parameters {level, limit, copy, fill_value, tolerance, method} pandas.Series.rename: Unknown parameters {copy, inplace, level} pandas.Series.rename_axis: Unknown parameters {mapper, copy, inplace, index, columns, axis} pandas.Series.argmin: Unknown parameters {*args, **kwargs, skipna, axis} pandas.Series.argmax: Unknown parameters {*args, **kwargs, skipna, axis} pandas.Series.swaplevel: Unknown parameters {i, j} pandas.Series.dt.to_period: Unknown parameters {freq} pandas.Series.dt.tz_localize: Unknown parameters {tz, errors, ambiguous, nonexistent} pandas.Series.dt.tz_convert: Unknown parameters {tz} pandas.Series.dt.strftime: Unknown parameters {date_format} pandas.Series.dt.round: Unknown parameters {nonexistent, ambiguous, freq} pandas.Series.dt.floor: Unknown parameters {nonexistent, ambiguous, freq} pandas.Series.dt.ceil: Unknown parameters {nonexistent, ambiguous, freq} pandas.Series.dt.month_name: Unknown parameters {locale} pandas.Series.dt.day_name: Unknown parameters {locale} pandas.Series.str.cat: Unknown parameters {na_rep, join, others, sep} pandas.Series.str.center: Unknown parameters {fillchar, width} pandas.Series.str.contains: Unknown parameters {flags, regex, case, pat, na} pandas.Series.str.count: Unknown parameters {flags, pat} pandas.Series.str.encode: Unknown parameters {encoding, errors} pandas.Series.str.endswith: Unknown parameters {pat, na} pandas.Series.str.extract: Unknown parameters {expand, flags, pat} pandas.Series.str.extractall: Unknown parameters {flags, pat} pandas.Series.str.find: Unknown parameters {sub, start, end} pandas.Series.str.findall: Unknown parameters {flags, pat} pandas.Series.str.index: Unknown parameters {sub, start, end} pandas.Series.str.join: Unknown parameters {sep} pandas.Series.str.ljust: Unknown parameters {fillchar, width} pandas.Series.str.lstrip: Unknown parameters {to_strip} pandas.Series.str.match: Unknown parameters {flags, case, pat, na} pandas.Series.str.normalize: Unknown parameters {form} pandas.Series.str.pad: Unknown parameters {side, fillchar, width} pandas.Series.str.partition: Unknown parameters {expand, pat, sep} pandas.Series.str.repeat: Unknown parameters {repeats} pandas.Series.str.replace: Unknown parameters {flags, n, repl, regex, case, pat} pandas.Series.str.rfind: Unknown parameters {sub, start, end} pandas.Series.str.rindex: Unknown parameters {sub, start, end} pandas.Series.str.rjust: Unknown parameters {fillchar, width} pandas.Series.str.rpartition: Unknown parameters {expand, pat, sep} pandas.Series.str.rstrip: Unknown parameters {to_strip} pandas.Series.str.slice_replace: Unknown parameters {stop, repl, start} pandas.Series.str.split: Unknown parameters {expand, pat, n} pandas.Series.str.rsplit: Unknown parameters {expand, pat, n} pandas.Series.str.startswith: Unknown parameters {pat, na} pandas.Series.str.strip: Unknown parameters {to_strip} pandas.Series.str.translate: Unknown parameters {table} pandas.Series.str.wrap: Unknown parameters {break_on_hyphens, replace_whitespace, width, drop_whitespace, break_long_words, expand_tabs} pandas.Series.str.zfill: Unknown parameters {width} pandas.Series.str.get_dummies: Unknown parameters {sep} pandas.Series.cat.rename_categories: Unknown parameters {inplace, new_categories} pandas.Series.cat.reorder_categories: Unknown parameters {inplace, ordered, new_categories} pandas.Series.cat.add_categories: Unknown parameters {inplace, new_categories} pandas.Series.cat.remove_categories: Unknown parameters {inplace, removals} pandas.Series.cat.remove_unused_categories: Unknown parameters {inplace} pandas.Series.cat.set_categories: Unknown parameters {rename, inplace, ordered, new_categories} pandas.Series.cat.as_ordered: Unknown parameters {inplace} pandas.Series.cat.as_unordered: Unknown parameters {inplace} pandas.Series.plot: Unknown parameters {xticks, xlim, mark_right, yticks, table, legend, ylim, logx, fontsize, include_bool, colormap, title, logy, `**kwds`, kind, position, colorbar, yerr, y, x, style, rot, loglog, figsize, grid, use_index, xerr} pandas.Series.plot.area: Unknown parameters {stacked, **kwds} pandas.Series.plot.bar: Unknown parameters {**kwds} pandas.Series.plot.barh: Unknown parameters {**kwds} pandas.Series.plot.box: Unknown parameters {**kwds} pandas.Series.plot.density: Unknown parameters {**kwds} pandas.Series.plot.hist: Unknown parameters {**kwds} pandas.Series.plot.kde: Unknown parameters {**kwds} pandas.Series.plot.line: Unknown parameters {**kwds} pandas.Series.plot.pie: Unknown parameters {y, **kwds} pandas.Series.hist: Unknown parameters {`**kwds`} pandas.Series.to_csv: Unknown parameters {mode, columns, float_format, encoding, index_label, header, quoting, chunksize, na_rep, quotechar, date_format, sep, doublequote, compression, escapechar, line_terminator, decimal, path_or_buf, index} pandas.Series.to_hdf: Unknown parameters {mode, append, format, complevel, complib, errors, fletcher32, data_columns, dropna} pandas.Series.to_msgpack: Unknown parameters {path, append, compress} pandas.core.resample.Resampler.pipe: Unknown parameters {args, kwargs} pandas.core.resample.Resampler.sem: Unknown parameters {ddof} pandas.DataFrame.select_dtypes: Unknown parameters {include, exclude} pandas.DataFrame.astype: Unknown parameters {kwargs} pandas.DataFrame.pipe: Unknown parameters {args, kwargs} pandas.DataFrame.clip: Unknown parameters {*args, **kwargs} pandas.DataFrame.compound: Unknown parameters {**kwargs, numeric_only} pandas.DataFrame.cummax: Unknown parameters {*args, **kwargs :} pandas.DataFrame.cummin: Unknown parameters {*args, **kwargs :} pandas.DataFrame.cumprod: Unknown parameters {*args, **kwargs :} pandas.DataFrame.cumsum: Unknown parameters {*args, **kwargs :} pandas.DataFrame.eval: Unknown parameters {kwargs} pandas.DataFrame.mad: Unknown parameters {**kwargs, numeric_only} pandas.DataFrame.reindex: Unknown parameters {level, limit, copy, fill_value, tolerance, method, index, columns, labels, axis} pandas.DataFrame.rename: Unknown parameters {columns, level, mapper, copy, inplace, errors, axis, index} pandas.DataFrame.rename_axis: Unknown parameters {mapper, copy, inplace, index, columns, axis} pandas.DataFrame.swaplevel: Unknown parameters {i, j} pandas.DataFrame.melt: Unknown parameters {frame} pandas.DataFrame.T: Unknown parameters {copy, *args, **kwargs} pandas.DataFrame.transpose: Unknown parameters {copy, *args, **kwargs} pandas.DataFrame.update: Unknown parameters {other, filter_func, join, overwrite, errors} pandas.DataFrame.plot: Unknown parameters {xticks, xlim, mark_right, yticks, table, legend, ylim, logx, fontsize, include_bool, colormap, title, logy, `**kwds`, kind, position, colorbar, yerr, y, x, style, rot, loglog, figsize, grid, use_index, xerr} pandas.DataFrame.plot.area: Unknown parameters {stacked, **kwds} pandas.DataFrame.plot.bar: Unknown parameters {**kwds} pandas.DataFrame.plot.barh: Unknown parameters {**kwds} pandas.DataFrame.plot.box: Unknown parameters {**kwds} pandas.DataFrame.plot.density: Unknown parameters {**kwds} pandas.DataFrame.plot.hexbin: Unknown parameters {**kwds} pandas.DataFrame.plot.hist: Unknown parameters {**kwds} pandas.DataFrame.plot.kde: Unknown parameters {**kwds} pandas.DataFrame.plot.line: Unknown parameters {**kwds} pandas.DataFrame.plot.pie: Unknown parameters {y, **kwds} pandas.DataFrame.plot.scatter: Unknown parameters {**kwds} pandas.DataFrame.sparse.from_spmatrix: Unknown parameters {index, columns} pandas.DataFrame.to_hdf: Unknown parameters {mode, append, format, complevel, complib, errors, fletcher32, data_columns, dropna} pandas.DataFrame.to_html: Unknown parameters {min_rows} pandas.DataFrame.to_stata: Unknown parameters {encoding, fname, time_stamp, version, convert_dates, data_label, write_index, convert_strl, byteorder, variable_labels} pandas.DataFrame.to_msgpack: Unknown parameters {path, append, compress} pandas.read_excel: Unknown parameters {io, usecols, header, names, sheet_name, engine, mangle_dupe_cols, **kwds, skiprows, true_values, parse_dates, dtype, verbose, na_values, convert_float, thousands, converters, skipfooter, date_parser, keep_default_na, false_values, nrows, skip_footer, squeeze, index_col, comment} pandas.ExcelWriter: Unknown parameters {mode, datetime_format, date_format} pandas.read_hdf: Unknown parameters {iterator, columns, where, stop , errors, start, chunksize} pandas.HDFStore.put: Unknown parameters {encoding, value , append , format , dropna , data_columns, key } pandas.HDFStore.append: Unknown parameters {chunksize , expectedrows, nan_rep , append , dropna , data_columns, min_itemsize, encoding } pandas.HDFStore.select: Unknown parameters {stop } pandas.read_feather: Unknown parameters {path, nthreads, columns, use_threads} pandas.read_stata: Unknown parameters {iterator, encoding, columns, convert_dates, filepath_or_buffer, convert_missing, preserve_dtypes, order_categoricals, index_col, convert_categoricals, chunksize} pandas.io.stata.StataReader.data: Unknown parameters {columns, convert_dates, convert_missing, preserve_dtypes, order_categoricals, index_col, convert_categoricals} pandas.core.window.rolling.Rolling.sum: Unknown parameters {*args, **kwargs} pandas.core.window.rolling.Rolling.var: Unknown parameters {*args, **kwargs} pandas.core.window.rolling.Rolling.std: Unknown parameters {*args, **kwargs} pandas.core.window.rolling.Rolling.max: Unknown parameters {*args, **kwargs} pandas.core.window.rolling.Rolling.apply: Unknown parameters {*args, **kwargs} pandas.core.window.rolling.Rolling.aggregate: Unknown parameters {func} pandas.core.window.rolling.Rolling.quantile: Unknown parameters {**kwargs:} pandas.core.window.rolling.Window.sum: Unknown parameters {*args, **kwargs} pandas.core.window.expanding.Expanding.sum: Unknown parameters {*args, **kwargs} pandas.core.window.expanding.Expanding.var: Unknown parameters {*args, **kwargs} pandas.core.window.expanding.Expanding.std: Unknown parameters {*args, **kwargs} pandas.core.window.expanding.Expanding.max: Unknown parameters {*args, **kwargs} pandas.core.window.expanding.Expanding.apply: Unknown parameters {*args, **kwargs} pandas.core.window.expanding.Expanding.aggregate: Unknown parameters {func} pandas.core.window.expanding.Expanding.quantile: Unknown parameters {**kwargs:} pandas.core.window.ewm.EWM.mean: Unknown parameters {*args, **kwargs} pandas.core.window.ewm.EWM.std: Unknown parameters {*args, **kwargs} pandas.core.window.ewm.EWM.var: Unknown parameters {*args, **kwargs} pandas.core.window.ewm.EWM.corr: Unknown parameters {bias} pandas.io.formats.style.Styler.apply: Unknown parameters {kwargs} pandas.io.formats.style.Styler.applymap: Unknown parameters {kwargs} pandas.io.formats.style.Styler.where: Unknown parameters {kwargs} pandas.io.formats.style.Styler.set_properties: Unknown parameters {kwargs} pandas.io.formats.style.Styler.pipe: Unknown parameters {*args, **kwargs :} pandas.io.formats.style.Styler.background_gradient: Unknown parameters {low, high} pandas.plotting.andrews_curves: Unknown parameters {color, frame, colormap, class_column, ax, samples, kwds} pandas.plotting.bootstrap_plot: Unknown parameters {**kwds :} pandas.plotting.lag_plot: Unknown parameters {kwds} pandas.plotting.parallel_coordinates: Unknown parameters {xticks, color, frame, colormap, axvlines, sort_labels, class_column, axvlines_kwds, kwds, ax, use_columns, cols} pandas.plotting.radviz: Unknown parameters {kwds} pandas.plotting.scatter_matrix: Unknown parameters {kwds} pandas.describe_option: Unknown parameters {_print_desc, pat} pandas.reset_option: Unknown parameters {pat} pandas.get_option: Unknown parameters {pat} pandas.set_option: Unknown parameters {pat, value} pandas.api.types.infer_dtype: Unknown parameters {value, skipna} pandas.api.types.is_list_like: Unknown parameters {allow_sets, obj} pandas.api.types.is_scalar: Unknown parameters {val} pandas.Timestamp: Unknown parameters {hour, minute, second, microsecond, year, month, day} pandas.Timestamp.max: Unknown parameters {nanosecond, hour, minute, second, microsecond, year, month, day, ts_input, tzinfo, tz, unit, freq} pandas.Timestamp.min: Unknown parameters {nanosecond, hour, minute, second, microsecond, year, month, day, ts_input, tzinfo, tz, unit, freq} pandas.Timedelta.max: Unknown parameters {value, unit, **kwargs} pandas.Timedelta.min: Unknown parameters {value, unit, **kwargs} pandas.Period.asfreq: Unknown parameters {freq, how} pandas.Period.to_timestamp: Unknown parameters {freq, how} pandas.Interval: Unknown parameters {closed, right, left} pandas.Interval.overlaps: Unknown parameters {other} pandas.factorize: Unknown parameters {values, size_hint, sort, na_sentinel, order} pandas.to_datetime: Unknown parameters {infer_datetime_format, format, box, arg, yearfirst, exact, cache, dayfirst, origin, unit, utc, errors} pandas.to_timedelta: Unknown parameters {arg, errors, unit, box} pandas.Grouper: Unknown parameters {level, sort, convention, label, base, loffset, freq, closed, axis, key} pandas.core.groupby.GroupBy.apply: Unknown parameters {args, kwargs} pandas.core.groupby.GroupBy.pipe: Unknown parameters {args, kwargs} pandas.core.groupby.DataFrameGroupBy.corr: Unknown parameters {method, min_periods} pandas.core.groupby.DataFrameGroupBy.cov: Unknown parameters {min_periods} pandas.core.groupby.DataFrameGroupBy.describe: Unknown parameters {exclude, percentiles, include} pandas.core.groupby.DataFrameGroupBy.diff: Unknown parameters {periods, axis} pandas.core.groupby.DataFrameGroupBy.fillna: Unknown parameters {inplace, value, limit, downcast, method, axis} pandas.core.groupby.DataFrameGroupBy.filter: Unknown parameters {f} pandas.core.groupby.DataFrameGroupBy.hist: Unknown parameters {data, column, ylabelsize, sharex, by, sharey, layout, **kwds, yrot, figsize, ax, xlabelsize, bins, grid, xrot} pandas.core.groupby.DataFrameGroupBy.idxmax: Unknown parameters {skipna, axis} pandas.core.groupby.DataFrameGroupBy.idxmin: Unknown parameters {skipna, axis} pandas.core.groupby.DataFrameGroupBy.mad: Unknown parameters {level, skipna, numeric_only, **kwargs, axis} pandas.core.groupby.DataFrameGroupBy.resample: Unknown parameters {*args, **kwargs} pandas.core.groupby.DataFrameGroupBy.skew: Unknown parameters {level, skipna, numeric_only, **kwargs, axis} pandas.core.groupby.DataFrameGroupBy.take: Unknown parameters {indices, **kwargs, axis, is_copy} pandas.core.groupby.DataFrameGroupBy.tshift: Unknown parameters {periods, axis, freq} pandas.core.groupby.SeriesGroupBy.nlargest: Unknown parameters {n, keep} pandas.core.groupby.SeriesGroupBy.nsmallest: Unknown parameters {n, keep} pandas.core.groupby.DataFrameGroupBy.corrwith: Unknown parameters {method, other, axis, drop} pandas.core.groupby.DataFrameGroupBy.boxplot: Unknown parameters {`**kwds`} pandas.Index.to_native_types: Unknown parameters {kwargs} pandas.CategoricalIndex.rename_categories: Unknown parameters {inplace, new_categories} pandas.CategoricalIndex.reorder_categories: Unknown parameters {inplace, ordered, new_categories} pandas.CategoricalIndex.add_categories: Unknown parameters {inplace, new_categories} pandas.CategoricalIndex.remove_categories: Unknown parameters {inplace, removals} pandas.CategoricalIndex.remove_unused_categories: Unknown parameters {inplace} pandas.CategoricalIndex.set_categories: Unknown parameters {rename, inplace, ordered, new_categories} pandas.CategoricalIndex.as_ordered: Unknown parameters {inplace} pandas.CategoricalIndex.as_unordered: Unknown parameters {inplace} pandas.MultiIndex: Unknown parameters {copy, names, verify_integrity, sortorder, levels, labels, codes} pandas.MultiIndex.set_codes: Unknown parameters {inplace, verify_integrity, codes, level} pandas.DatetimeIndex: Unknown parameters {periods , data , copy } pandas.DatetimeIndex.indexer_between_time: Unknown parameters {start_time, end_time} pandas.DatetimeIndex.strftime: Unknown parameters {date_format} pandas.DatetimeIndex.tz_convert: Unknown parameters {tz} pandas.DatetimeIndex.tz_localize: Unknown parameters {tz, errors, ambiguous, nonexistent} pandas.DatetimeIndex.round: Unknown parameters {nonexistent, ambiguous, freq} pandas.DatetimeIndex.floor: Unknown parameters {nonexistent, ambiguous, freq} pandas.DatetimeIndex.ceil: Unknown parameters {nonexistent, ambiguous, freq} pandas.DatetimeIndex.month_name: Unknown parameters {locale} pandas.DatetimeIndex.day_name: Unknown parameters {locale} pandas.DatetimeIndex.to_period: Unknown parameters {freq} pandas.DatetimeIndex.to_perioddelta: Unknown parameters {freq} pandas.DatetimeIndex.mean: Unknown parameters {skipna} pandas.TimedeltaIndex: Unknown parameters {periods , data , copy } pandas.TimedeltaIndex.round: Unknown parameters {nonexistent, ambiguous, freq} pandas.TimedeltaIndex.floor: Unknown parameters {nonexistent, ambiguous, freq} pandas.TimedeltaIndex.ceil: Unknown parameters {nonexistent, ambiguous, freq} pandas.TimedeltaIndex.mean: Unknown parameters {skipna} pandas.PeriodIndex: Unknown parameters {quarter, month, day, hour, second, year, minute} pandas.PeriodIndex.asfreq: Unknown parameters {freq, how} pandas.PeriodIndex.strftime: Unknown parameters {date_format} pandas.PeriodIndex.to_timestamp: Unknown parameters {freq, how} pandas.api.extensions.ExtensionArray.argsort: Unknown parameters {*args, **kwargs:} pandas.tseries.offsets.CBMonthEnd.apply_index: Unknown parameters {i} pandas.tseries.offsets.CBMonthBegin.apply_index: Unknown parameters {i} ```
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MDU6SXNzdWU0ODE5MjczMDU=
27,977
DOC: Fix formatting errors in docstrings
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8
2019-08-17T21:19:25Z
2020-05-29T22:13:26Z
null
MEMBER
null
Historically, there was no validation on how docstrings were written. Some conventions were usually followed, but as the project grew, it was more difficult to ensure that all the API documentation pages are consistent, and don't have mistakes. For the last two years, we've been implementing all sorts of validations to make sure every class, method, function and attribute is correctly documented. The list of validations can be found here in the script that validates them: https://github.com/pandas-dev/pandas/blob/master/scripts/validate_docstrings.py#L77 Many of them have already been fixed in all the pages, and they could be added to the CI so they are not reintroduced again. The list of errors currently validated can be seen at the CI script: https://github.com/pandas-dev/pandas/blob/master/ci/code_checks.sh#L267 The list of pending errors making the difference is: ```python {'ES01': 'No extended summary found', 'EX01': 'No examples section found', 'EX02': 'Examples do not pass tests:\n{doctest_log}', 'EX03': 'flake8 error: {error_code} {error_message}{times_happening}', 'GL01': 'Docstring text (summary) should start in the line immediately after ' 'the opening quotes (not in the same line, or leaving a blank line in ' 'between)', 'GL02': 'Closing quotes should be placed in the line after the last text in ' 'the docstring (do not close the quotes in the same line as the text, ' 'or leave a blank line between the last text and the quotes)', 'GL08': 'The object does not have a docstring', 'PR01': 'Parameters {missing_params} not documented', 'PR02': 'Unknown parameters {unknown_params}', 'PR06': 'Parameter "{param_name}" type should use "{right_type}" instead of ' '"{wrong_type}"', 'PR07': 'Parameter "{param_name}" has no description', 'PR08': 'Parameter "{param_name}" description should start with a capital ' 'letter', 'PR09': 'Parameter "{param_name}" description should finish with "."', 'RT02': 'The first line of the Returns section should contain only the type, ' 'unless multiple values are being returned', 'RT03': 'Return value has no description', 'SA01': 'See Also section not found', 'SA02': 'Missing period at end of description for See Also "{reference_name}" ' 'reference', 'SA03': 'Description should be capitalized for See Also "{reference_name}" ' 'reference', 'SA04': 'Missing description for See Also "{reference_name}" reference', 'SS01': 'No summary found (a short summary in a single line should be present ' 'at the beginning of the docstring)', 'SS02': 'Summary does not start with a capital letter', 'SS03': 'Summary does not end with a period', 'SS06': 'Summary should fit in a single line', 'YD01': 'No Yields section found'} ``` Some of them makes more sense to work when fixing the content of an object (like adding the description, or objects that simply don't have any documentation). But some of them are just formatting errors, those are the ones I'd start with: - EX03: flake8 error: {error_code} {error_message}{times_happening} - GL01/GL02: Docstring text (summary) should start/end in the line immediately after the opening quotes (not in the same line, or leaving a blank line in between) - PR02: Unknown parameters {unknown_params} - PR06: Parameter "{param_name}" type should use "{right_type}" instead of "{wrong_type}" - PR08: Parameter "{param_name}" description should start with a capital letter - PR09: Parameter "{param_name}" description should finish with "." - RT02: The first line of the Returns section should contain only the type, unless multiple values are being returned - SA02: Missing period at end of description for See Also "{reference_name}" reference - SA03: Description should be capitalized for See Also "{reference_name}" 'reference' - SS02/SS03: Summary does not start/end with a capital letter - SS03: Summary does not end with a period - SS06: Summary should fit in a single line To find errors for one of them you can use: ``` ./scripts/validate_docstrings.py --errors=EX02 ``` Or for errors that makes sense to address together: ``` ./scripts/validate_docstrings.py --errors=GL01,GL02 ``` This should give the list of errors to fix. We've got a list of steps to follow when fixing a docstring that it can be useful to you at: https://python-sprints.github.io/pandas/dashboard.html **VERY IMPORTANT** The main challenge will be not repeating the same work as other sprinters, which is very frustrating, and happened massively at every sprint. My recommendation is BEFORE doing any work, to create an issue for the error code you plan to work on (check that it hasn't already been created). In the error write the list of errors that `validate_docstrings.py` returns. Then in a comment, take 10 of them, and write that you're going to fix them. Other people can work on a different 10. When opening a PR, reference the issue. I created an issue for reference: #27976 Good luck!
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Johnward
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2019-08-17T23:46:32Z
2019-08-18T00:06:03Z
2019-08-18T00:06:02Z
CONTRIBUTOR
null
…ead_csv function, for issue 27655. - [] closes #xxxx - [ 1 ] tests added / passed - [ 1 ] passes `black pandas` - *[ 0 ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ 0 ] whatsnew entry Do not close issue, waiting for user response before further testing. * Returns: fatal: bad revision 'upstream/master'
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27,979
Fixing docstrings that don't end with a period
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2019-08-17T23:46:37Z
2019-09-06T03:52:17Z
null
NONE
null
Fix the following docstrings and make them end with a period to follow the pandas convention. ``` pandas.DataFrame.keys: Summary does not end with a period pandas.read_clipboard: Summary does not end with a period pandas.ExcelFile.parse: Summary does not end with a period pandas.HDFStore.put: Summary does not end with a period pandas.HDFStore.get: Summary does not end with a period pandas.HDFStore.select: Summary does not end with a period pandas.HDFStore.keys: Summary does not end with a period pandas.HDFStore.groups: Summary does not end with a period pandas.HDFStore.walk: Summary does not end with a period pandas.io.stata.StataReader.data: Summary does not end with a period pandas.io.formats.style.Styler.loader: Summary does not end with a period pandas.io.formats.style.Styler.set_caption: Summary does not end with a period pandas.plotting.deregister_matplotlib_converters: Summary does not end with a period pandas.plotting.register_matplotlib_converters: Summary does not end with a period ``` Issue noted by @datapythonista
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481,937,764
MDExOlB1bGxSZXF1ZXN0MzA4MzI2Mzgx
27,980
Issue - 27482 : fixed isnull attribute for type objects
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2019-08-18T00:04:08Z
2019-08-20T14:04:57Z
2019-08-20T14:04:57Z
NONE
null
- [yes] closes #27482 - [yes] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [yes] whatsnew entry
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481,938,086
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27,981
DOC: Fixing flake8 error in basics.rst
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2019-08-18T00:10:16Z
2019-10-13T00:32:20Z
2019-10-13T00:32:20Z
NONE
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- [x] closes #24173 and follow up on it - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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MDExOlB1bGxSZXF1ZXN0MzA4MzI2ODI4
27,982
Read csv test
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2019-08-18T00:16:23Z
2019-09-05T15:59:49Z
2019-09-05T15:59:49Z
CONTRIBUTOR
null
- [ ] closes #27655 - [ 1 ] tests added / passed - [ 1 ] passes `black pandas` - *[ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry Do not close issue, waiting for user response before continuing further testing. *Returns "fatal: bad revision 'upstream/master'"
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27,983
Issue 27117
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2019-08-18T01:16:54Z
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NONE
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- [ ] closes #xxxx - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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27,984
Support str param type for partition_cols in to_parquet function
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2019-08-18T01:46:08Z
2019-11-07T21:09:04Z
2019-11-07T21:09:03Z
NONE
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- [x] closes #27117 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry Not sure where to add whatsnew entry #PandasHack2019
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481,943,608
MDExOlB1bGxSZXF1ZXN0MzA4MzMwMzU3
27,985
Pandas tseries offsets DateOffset
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2019-08-18T01:55:05Z
2019-08-20T14:07:09Z
2019-08-20T14:07:08Z
CONTRIBUTOR
null
- [ ] closes #xxxx - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry input: python .\scripts\validate_docstrings.py pandas.tseries.offsets.DateOffset --errors=F821 output: Docstring for "pandas.tseries.offsets.DateOffset" correct. :)
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27,986
DOC: Fix some GL01/GL02 docstring errors
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2019-08-18T02:41:57Z
2019-08-24T09:32:55Z
2019-08-24T09:32:55Z
CONTRIBUTOR
null
Fix docstring GL01/GL02 errors, i.e. text that isn't on the next line after opening `"""` and followed immediately by the line with closing `"""`. <details> For the following files: pandas/conftest.py pandas/io/html.py </details>
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481,953,757
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27,987
index fixed when join with empty dataframe
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2019-08-18T04:52:25Z
2019-08-18T04:52:25Z
NONE
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- [ ] closes #xxxx - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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DOC: Fix GL01 and GL02 errors in the docstrings
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5
2019-08-18T04:54:18Z
2019-08-24T09:34:15Z
2019-08-24T09:32:55Z
CONTRIBUTOR
null
- [x] closes #27986 - [ ] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry Fixed docstrings text that aren’t on the next line after opening `"""` and followed immediately by the line with closing `"""`. Issue #27986
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27,989
BUG: Exception when calling pandas.isnull() with a pandas type object
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5
2019-08-18T05:20:34Z
2019-08-21T06:01:05Z
2019-08-20T14:10:17Z
NONE
null
- [x] closes #27482 - [x] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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481,958,313
MDExOlB1bGxSZXF1ZXN0MzA4MzQwNDA1
27,990
DOC: remove savefig references from the docs v0.7.3
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1
2019-08-18T06:04:01Z
2019-08-18T08:23:49Z
2019-08-18T08:23:48Z
CONTRIBUTOR
null
- [x] closes #27971 - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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481,972,521
MDExOlB1bGxSZXF1ZXN0MzA4MzQ5OTA1
27,991
DataFrame html repr: also follow min_rows setting
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3
2019-08-18T09:20:31Z
2019-08-20T19:24:49Z
2019-08-20T19:24:47Z
MEMBER
null
Follow-up on https://github.com/pandas-dev/pandas/pull/27095, where I forgot to apply this setting in the html repr as well. Thoughts on including this in 0.25.1 or not? It's kind of a oversight of the 0.25 feature, but also an actual change of course in the user experience in the notebook.
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MDExOlB1bGxSZXF1ZXN0MzA4MzU2NDEz
27,992
BUG/TST: fix and test for timezone drop in GroupBy.shift/bfill/ffill
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10
2019-08-18T11:25:59Z
2019-09-09T15:24:05Z
2019-09-09T12:06:01Z
CONTRIBUTOR
null
closes #19995 Timezone info is dropped in GroupBy.shift, bfill, and ffill since index calculated by Cythonized functions are applied to NumPy representation of values without timezone. Could you please find and review this fix? Many thanks, -noritada ``` In [1]: import pandas as pd ...: pd.__version__ Out[1]: '0.24.2' In [2]: df = pd.DataFrame([ ...: ['a', pd.Timestamp('2019-01-01 00:00:00+09:00')], ...: ['b', pd.Timestamp('2019-01-01 00:05:00+09:00')], ...: ['a', None], ...: ['b', None], ...: ['a', pd.Timestamp('2019-01-01 00:20:00+09:00')], ...: ['b', pd.Timestamp('2019-01-01 00:25:00+09:00')], ...: ], columns=['id', 'time']) In [3]: df['time'].shift(1) Out[3]: 0 NaT 1 2019-01-01 00:00:00+09:00 2 2019-01-01 00:05:00+09:00 3 NaT 4 NaT 5 2019-01-01 00:20:00+09:00 Name: time, dtype: datetime64[ns, pytz.FixedOffset(540)] In [4]: df.groupby('id')['time'].shift(1) Out[4]: 0 NaT 1 NaT 2 2018-12-31 15:00:00 3 2018-12-31 15:05:00 4 NaT 5 NaT Name: time, dtype: datetime64[ns] In [5]: df.groupby('id')['time'].bfill() Out[5]: 0 2018-12-31 15:00:00 1 2018-12-31 15:05:00 2 2018-12-31 15:20:00 3 2018-12-31 15:25:00 4 2018-12-31 15:20:00 5 2018-12-31 15:25:00 Name: time, dtype: datetime64[ns] In [6]: df.groupby('id')['time'].ffill() Out[6]: 0 2018-12-31 15:00:00 1 2018-12-31 15:05:00 2 2018-12-31 15:00:00 3 2018-12-31 15:05:00 4 2018-12-31 15:20:00 5 2018-12-31 15:25:00 Name: time, dtype: datetime64[ns] ``` - [ ] closes #xxxx - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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27,993
PLT: plot('line') or plot('area') produces wrong xlim in xaxis in 0.25.0
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3
2019-08-18T11:41:09Z
2019-08-20T14:18:59Z
2019-08-20T14:18:56Z
MEMBER
null
Due to previous PRs, there is an issue with xlim wrongly plotted for lines. I digged into database a bit, and found it also affects `plot(kind='area')` because they share the same `LinePlot`. And this issue is produced in both DataFrame and Series. Now looks like the issue is gone: ![Screen Shot 2019-08-18 at 2 18 32 PM](https://user-images.githubusercontent.com/9269816/63224355-2086cf00-c1c3-11e9-8657-5c30817de9c8.png) Duplicated closed issue 27796 is solved as well: ![Screen Shot 2019-08-18 at 2 18 44 PM](https://user-images.githubusercontent.com/9269816/63224357-24b2ec80-c1c3-11e9-8c95-3ec6befa4e8f.png) Also looks like issue in #25160 is gone as well. ![Screen Shot 2019-08-18 at 2 41 22 PM](https://user-images.githubusercontent.com/9269816/63224575-62fddb00-c1c6-11e9-8714-b386d1d43501.png) The same to #24784 looks like issue is also gone ![Screen Shot 2019-08-18 at 8 03 56 PM](https://user-images.githubusercontent.com/9269816/63228453-678cb880-c1f3-11e9-9a61-a07731889b61.png) - [x] closes #27686 , #25160, #24784 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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MDU6SXNzdWU0ODE5OTUwMTU=
27,994
DataFrame.drop with empty DatetimeIndex behaves differently than passing empty Index
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9
2019-08-18T13:38:22Z
2021-07-28T01:03:31Z
null
NONE
null
#### Code Sample, a copy-pastable example if possible ```python import pandas as pd df = pd.DataFrame({ {'value': [1, 2]}, index=[pd.Timestamp('2019-01-01'), pd.Timestamp('2019-01-01')] }) df = df.drop(df[df['value'] > 10].index) ``` #### Problem description When calling `drop` for dataframe with DatetimeIndex, the function may raise an exception. See the following traceback: ``` Traceback (most recent call last): File "main.py", line 7, in <module> df = df.drop(df[df['value'] > 10].index) File "pandas/pandas/core/frame.py", line 4042, in drop errors=errors, File "pandas/pandas/core/generic.py", line 3891, in drop obj = obj._drop_axis(labels, axis, level=level, errors=errors) File "pandas/pandas/core/generic.py", line 3940, in _drop_axis labels_missing = (axis.get_indexer_for(labels) == -1).any() File "pandas/pandas/core/indexes/base.py", line 4769, in get_indexer_for indexer, _ = self.get_indexer_non_unique(target, **kwargs) File "pandas/pandas/core/indexes/base.py", line 4752, in get_indexer_non_unique indexer, missing = self._engine.get_indexer_non_unique(tgt_values) File "pandas/_libs/index.pyx", line 291, in pandas._libs.index.IndexEngine.get_indexer_non_unique stargets = set(targets) TypeError: 'NoneType' object is not iterable ``` This can be avoided by not using `DataFrame.drop` like this: ```python df = df[df['value'] <= 10] ``` But nonetheless I'm reporting the issue as I expect `drop` to not raise the exception. #### Output of ``pd.show_versions()`` <details> INSTALLED VERSIONS ------------------ commit : 9f93d57025d7b906de6956f287b71cd18c17b13d python : 3.7.4.final.0 python-bits : 64 OS : Linux OS-release : 4.19.0-5-amd64 machine : x86_64 processor : byteorder : little LC_ALL : None LANG : en_US.UTF-8 LOCALE : en_US.UTF-8 pandas : 0.25.0.dev0+1184.g9f93d5702 numpy : 1.16.2 pytz : 2019.2 dateutil : 2.8.0 pip : 19.2.2 setuptools : 41.1.0 Cython : 0.29.13 pytest : None hypothesis : None sphinx : None blosc : None feather : None xlsxwriter : None lxml.etree : None html5lib : None pymysql : None psycopg2 : None jinja2 : None IPython : None pandas_datareader: None bs4 : None bottleneck : None fastparquet : None gcsfs : None lxml.etree : None matplotlib : None numexpr : None odfpy : None openpyxl : None pandas_gbq : None pyarrow : None pytables : None s3fs : None scipy : None sqlalchemy : None tables : None xarray : None xlrd : None xlwt : None xlsxwriter : None </details>
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27,995
Infer ExtensionDtype based on object
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2019-08-18T13:54:00Z
2021-07-11T05:52:22Z
null
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Would it be possible to infer ExtensionDtypes based on the objects inside a list/array that are used to construct a series? Eg with an array of pint's Quantity objects: ```python3 >>> array_of_qty array([<Quantity(67.0, 'meter')>, <Quantity(61.0, 'meter')>, <Quantity(30.0, 'meter')>, ..., <Quantity(293.0, 'meter')>, <Quantity(886.0, 'meter')>, <Quantity(165.0, 'meter')>], dtype=object) ``` Could pandas infer the dtype as PintType in this command?: ```python3 df.elevation = array_of_qty ```
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2019-08-18T16:30:43Z
2019-08-18T16:32:32Z
2019-08-18T16:32:32Z
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- [ ] closes #xxxx - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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27,997
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2019-08-18T16:39:36Z
2019-08-19T14:23:23Z
2019-08-19T13:16:49Z
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- [ ] closes #xxxx - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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482,014,325
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27,998
Raise exception in read_csv when prefix is set, but not used because a header exists
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2019-08-18T16:52:28Z
2019-09-17T15:37:23Z
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Raised an error if argument prefix is set when there are headers present during pandas read_csv. - [x] closes #27394 - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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27,999
ENH: Add support for dataclasses in the DataFrame constructor
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2019-08-18T16:54:11Z
2020-04-09T23:34:29Z
2020-03-15T01:09:41Z
CONTRIBUTOR
null
Added support for data-classes when used in the construction of a new dataframe. - [X] closes #21910 - [X] tests added / passed - [X] passes `black pandas` - [X] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` Simply put, added support to use dataclasses in the following way: ```python from dataclasses import dataclass @dataclass class Person: name: str age: int df = DataFrame([Person("me", 25), Person("you", 35)]) ```
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28,000
When a DataFrame is merged with an empty dataframe, it was creating an incorrect index for the resulting dataframe. Fix for it
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- [ ] closes #xxxx - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry In the current fix, if any dataframe is empty, a index is set explicitly using the set_index function
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28,001
DOC: Fixes to docstrings
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2019-08-18T17:43:39Z
2019-08-22T17:05:37Z
2019-08-22T17:03:11Z
CONTRIBUTOR
null
- [X] xref #27979 - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry Partially resolves issue
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28,002
TST 27905 - testing groupby.transform('sum')
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- [x] closes #27905 - [ ] tests added / passed - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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28,003
Hack fix for BUG - GH24784
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- [X] closes #24784 - [X] tests added / passed - 1 - [ ] passes `black pandas` - [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [X] whatsnew entry - Test utility method "_check_plot_works_with_continuous_dates" and Test case "test_continuous_dates"
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28,004
Feature request: DataFrame.mse()
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2020-02-27T17:19:31Z
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#### Code Sample ```python def sample_MSE_implementation(df): from sklearn.metrics import mean_squared_error # If the user wish,they can pass the normalized df as a parameter # df=(df-df.min())/(df.max()-df.min()) Matrix = [[round(mean_squared_error(df.iloc[:, row],df.iloc[:, col]),6) for row in range(df.columns.size)] for col in range(df.columns.size)] cols = df.columns mse_df = pd.DataFrame(Matrix, columns=cols, index=cols) return mse_df ``` #### Problem description I think there is a need for a `df.mse()`, similar to how there is a `df.corr()`. I have attached my own code and output to illustrate output and a very elementary implementation. _My apologies if this is not the proper way to submit a feature requests. I would have made this a pull, however, I doubt the quility of my code_ #### Expected Output ![image](https://user-images.githubusercontent.com/29245410/63230121-75bfe200-c1bd-11e9-898d-e71cec9ba05d.png) ![image](https://user-images.githubusercontent.com/29245410/63230308-bf113100-c1bf-11e9-93c9-7a781c4e4914.png) #### Output of ``pd.show_versions()`` <details> please note that I am using colab.research.google.com INSTALLED VERSIONS ------------------ commit: None python: 3.6.8.final.0 python-bits: 64 OS: Linux OS-release: 4.14.79+ machine: x86_64 processor: x86_64 byteorder: little LC_ALL: None LANG: en_US.UTF-8 LOCALE: en_US.UTF-8 pandas: 0.24.2 pytest: 3.6.4 pip: 19.2.1 setuptools: 41.0.1 Cython: 0.29.13 numpy: 1.16.4 scipy: 1.3.1 pyarrow: 0.14.1 xarray: 0.11.3 IPython: 5.5.0 sphinx: 1.8.5 patsy: 0.5.1 dateutil: 2.5.3 pytz: 2018.9 blosc: None bottleneck: 1.2.1 tables: 3.4.4 numexpr: 2.6.9 feather: 0.4.0 matplotlib: 3.0.3 openpyxl: 2.5.9 xlrd: 1.1.0 xlwt: 1.3.0 xlsxwriter: None lxml.etree: 4.2.6 bs4: 4.6.3 html5lib: 1.0.1 sqlalchemy: 1.3.6 pymysql: None psycopg2: 2.7.6.1 (dt dec pq3 ext lo64) jinja2: 2.10.1 s3fs: 0.3.3 fastparquet: None pandas_gbq: 0.4.1 pandas_datareader: 0.7.4 gcsfs: None </details>
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28,005
Explode on identical index causes duplication
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#### Code Sample, a copy-pastable example if possible ```python >>> df = pd.DataFrame({'col': [['a', 'b'], ['c', 'd']]}, index=[0,0]) >>> df.explode('col') col 0 a 0 b 0 c 0 d 0 a 0 b 0 c 0 d ``` #### Problem description I'm not sure if this is expected behaviour. But it took me slightly off guard when I had a datetime index with occasionally identical timestamps. This is the output I expected: ```python col 0 a 0 b 0 c 0 d ``` Thanks for your work on pandas! Apologies if this is actually normal behaviour. #### Output of ``pd.show_versions()`` <details> INSTALLED VERSIONS ------------------ commit : None python : 3.6.7.final.0 python-bits : 64 OS : Linux OS-release : 4.4.0-139-generic machine : x86_64 processor : x86_64 byteorder : little LC_ALL : en_US.UTF-8 LANG : en_US LOCALE : en_US.UTF-8 pandas : 0.25.0 numpy : 1.14.3 pytz : 2018.9 dateutil : 2.8.0 pip : 19.0.2 setuptools : 40.8.0 Cython : None pytest : 4.5.0 hypothesis : None sphinx : None blosc : None feather : None xlsxwriter : None lxml.etree : None html5lib : None pymysql : None psycopg2 : None jinja2 : 2.10 IPython : 7.3.0 pandas_datareader: None bs4 : None bottleneck : None fastparquet : None gcsfs : None lxml.etree : None matplotlib : 3.0.2 numexpr : None odfpy : None openpyxl : None pandas_gbq : None pyarrow : None pytables : None s3fs : None scipy : 1.2.1 sqlalchemy : None tables : None xarray : None xlrd : None xlwt : None xlsxwriter : None </details>
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MDExOlB1bGxSZXF1ZXN0MzA4NDAzODAw
28,006
DOC: Improve melt example (#23844)
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13
2019-08-18T23:30:19Z
2019-08-27T08:13:19Z
2019-08-27T08:13:19Z
NONE
null
- [x] closes #23844
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482,081,028
MDU6SXNzdWU0ODIwODEwMjg=
28,007
OverflowError: value too large to convert to int
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5
2019-08-19T02:55:10Z
2020-05-16T20:38:53Z
null
NONE
null
#### Code Sample, a copy-pastable example if possible ```python df.to_hdf('../data/base.h5', 'all') /work/.pylib/3/pandas/core/generic.py in to_hdf(self, path_or_buf, key, **kwargs) 2529 from pandas.io import pytables 2530 -> 2531 pytables.to_hdf(path_or_buf, key, self, **kwargs) 2532 2533 def to_msgpack(self, path_or_buf=None, encoding="utf-8", **kwargs): /work/.pylib/3/pandas/io/pytables.py in to_hdf(path_or_buf, key, value, mode, complevel, complib, append, **kwargs) 276 path_or_buf, mode=mode, complevel=complevel, complib=complib 277 ) as store: --> 278 f(store) 279 else: 280 f(path_or_buf) /work/.pylib/3/pandas/io/pytables.py in <lambda>(store) 269 f = lambda store: store.append(key, value, **kwargs) 270 else: --> 271 f = lambda store: store.put(key, value, **kwargs) 272 273 path_or_buf = _stringify_path(path_or_buf) /work/.pylib/3/pandas/io/pytables.py in put(self, key, value, format, append, **kwargs) 957 format = get_option("io.hdf.default_format") or "fixed" 958 kwargs = self._validate_format(format, kwargs) --> 959 self._write_to_group(key, value, append=append, **kwargs) 960 961 def remove(self, key, where=None, start=None, stop=None): /work/.pylib/3/pandas/io/pytables.py in _write_to_group(self, key, value, format, index, append, complib, encoding, **kwargs) 1523 1524 # write the object -> 1525 s.write(obj=value, append=append, complib=complib, **kwargs) 1526 1527 if s.is_table and index: /work/.pylib/3/pandas/io/pytables.py in write(self, obj, **kwargs) 3230 blk_items = data.items.take(blk.mgr_locs) 3231 self.write_array( -> 3232 "block{idx}_values".format(idx=i), blk.values, items=blk_items 3233 ) 3234 self.write_index("block{idx}_items".format(idx=i), blk_items) /work/.pylib/3/pandas/io/pytables.py in write_array(self, key, value, items) 2997 2998 vlarr = self._handle.create_vlarray(self.group, key, _tables().ObjectAtom()) -> 2999 vlarr.append(value) 3000 else: 3001 if empty_array: /usr/local/anaconda3/lib/python3.6/site-packages/tables/vlarray.py in append(self, sequence) 545 nparr = None 546 --> 547 self._append(nparr, nobjects) 548 self.nrows += 1 549 tables/hdf5extension.pyx in tables.hdf5extension.VLArray._append() OverflowError: value too large to convert to int ``` #### Output of ``pd.show_versions()`` INSTALLED VERSIONS ------------------ commit : None python : 3.6.7.final.0 python-bits : 64 OS : Linux OS-release : 3.10.0-693.5.2.el7.x86_64 machine : x86_64 processor : x86_64 byteorder : little LC_ALL : zh_CN.utf8 LANG : None LOCALE : zh_CN.UTF-8 pandas : 0.25.0 numpy : 1.17.0 pytz : 2019.2 dateutil : 2.8.0 pip : 18.1 setuptools : 41.0.1 Cython : 0.29.10 pytest : 5.0.1 hypothesis : None sphinx : 2.1.2 blosc : None feather : 0.4.0 xlsxwriter : 1.1.8 lxml.etree : 4.2.5 html5lib : 1.0.1 pymysql : None psycopg2 : None jinja2 : 2.10 IPython : 7.2.0 pandas_datareader: None bs4 : 4.7.1 bottleneck : 1.2.1 fastparquet : None gcsfs : None lxml.etree : 4.2.5 matplotlib : 3.1.1 numexpr : 2.6.9 odfpy : None openpyxl : 2.6.1 pandas_gbq : None pyarrow : 0.14.1 pytables : None s3fs : None scipy : 1.1.0 sqlalchemy : 1.3.5 tables : 3.5.1 xarray : None xlrd : 1.2.0 xlwt : 1.3.0 xlsxwriter : 1.1.8
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28,008
[CI] Add pip dependence explicitly
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6
2019-08-19T06:14:58Z
2019-08-21T14:21:49Z
2019-08-21T14:21:45Z
CONTRIBUTOR
null
Close #27374. Get rid of the conda warning.
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28,009
DOC: Corrected file description in read_fwf()
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5
2019-08-19T12:16:53Z
2019-08-20T18:40:25Z
2019-08-20T18:40:21Z
CONTRIBUTOR
null
- [ ] closes #xxxx - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [ ] whatsnew entry
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28,010
BUG: Avoid duplicating entire exploded column when joining back with origi…
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5
2019-08-19T12:44:12Z
2019-09-17T13:43:38Z
2019-09-17T13:38:14Z
MEMBER
null
…nal frame - [x] closes #28005 - [x] tests added / passed - [x] passes `black pandas` - [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff` - [x] whatsnew entry
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28,011
Flaky xfail on master
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1
2019-08-19T13:02:45Z
2019-08-19T18:29:07Z
2019-08-19T18:29:07Z
CONTRIBUTOR
null
e.g. https://dev.azure.com/pandas-dev/pandas/_build/results?buildId=16270 ``` =================================== FAILURES =================================== _ TestCategoricalSeriesAnalytics.test_drop_duplicates_categorical_non_bool[True-datetime64[D]] _ [gw1] linux -- Python 3.7.4 /home/vsts/miniconda3/envs/pandas-dev/bin/python [XPASS(strict)] GH#7996 _ TestCategoricalSeriesAnalytics.test_drop_duplicates_categorical_non_bool[False-datetime64[D]] _ [gw1] linux -- Python 3.7.4 /home/vsts/miniconda3/envs/pandas-dev/bin/python [XPASS(strict)] GH#7996 _ TestCategoricalSeriesAnalytics.test_drop_duplicates_categorical_non_bool[None-datetime64[D]] _ [gw1] linux -- Python 3.7.4 /home/vsts/miniconda3/envs/pandas-dev/bin/python [XPASS(strict)] GH#7996 ``` xref https://github.com/pandas-dev/pandas/pull/27715. Can you take a look @jbrockmendel?
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28,012
Backport PR #27882 on branch 0.25.x
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0
2019-08-19T13:11:42Z
2019-08-19T14:45:21Z
2019-08-19T14:45:17Z
CONTRIBUTOR
null
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