id stringlengths 16 145 | text stringlengths 1 179k | title stringclasses 1
value |
|---|---|---|
polar_functions/Function_16_18.txt | /expressions/api/polars.tail.html)
* [ polars.time ](../expressions/api/polars.time.html)
* [ polars.time_range ](../expressions/api/polars.time_range.html)
* [ polars.time_ranges ](../expressions/api/polars.time_ranges.html)
* [ polars.var ](../expressions/api/polars.var.html)
* [ polars.... | |
polar_functions/Function_14_19.txt | essions/api/polars.Expr.list.mean.html)
* [ polars.Expr.list.median ](../expressions/api/polars.Expr.list.median.html)
* [ polars.Expr.list.min ](../expressions/api/polars.Expr.list.min.html)
* [ polars.Expr.list.reverse ](../expressions/api/polars.Expr.list.reverse.html)
* [ polars.Expr.list.sa... | |
polar_functions/Function_5_16.txt | tml)
* [ polars.Expr.ewm_var ](../expressions/api/polars.Expr.ewm_var.html)
* [ polars.Expr.exp ](../expressions/api/polars.Expr.exp.html)
* [ polars.Expr.hash ](../expressions/api/polars.Expr.hash.html)
* [ polars.Expr.hist ](../expressions/api/polars.Expr.hist.html)
* [ polars.Expr.kurto... | |
polar_functions/Expression_37_2.txt | Frame.fill_null ](../../dataframe/api/polars.DataFrame.fill_null.html)
* [ polars.DataFrame.filter ](../../dataframe/api/polars.DataFrame.filter.html)
* [ polars.DataFrame.find_idx_by_name ](../../dataframe/api/polars.DataFrame.find_idx_by_name.html)
* [ polars.DataFrame.gather_every ](../../dataframe... | |
polar_functions/Expression_45_14.txt | [ polars.Series.dt.to_string ](../../series/api/polars.Series.dt.to_string.html)
* [ polars.Series.dt.total_days ](../../series/api/polars.Series.dt.total_days.html)
* [ polars.Series.dt.total_hours ](../../series/api/polars.Series.dt.total_hours.html)
* [ polars.Series.dt.total_microseconds ](../../... | |
polar_functions/Function_10_1.txt | ars.DataFrame.__dataframe__ ](../dataframe/api/polars.DataFrame.__dataframe__.html)
* [ polars.DataFrame.to_arrow ](../dataframe/api/polars.DataFrame.to_arrow.html)
* [ polars.DataFrame.to_dict ](../dataframe/api/polars.DataFrame.to_dict.html)
* [ polars.DataFrame.to_dicts ](../dataframe/api/polars.Da... | |
polar_functions/Expression_26_7.txt | eries/api/polars.Series.bin.contains.html)
* [ polars.Series.bin.decode ](../../series/api/polars.Series.bin.decode.html)
* [ polars.Series.bin.encode ](../../series/api/polars.Series.bin.encode.html)
* [ polars.Series.bin.ends_with ](../../series/api/polars.Series.bin.ends_with.html)
* [ polars... | |
polar_functions/LazyFrame_10_22.txt | /../expressions/api/polars.Expr.str.explode.html)
* [ polars.Expr.str.extract ](../../expressions/api/polars.Expr.str.extract.html)
* [ polars.Expr.str.extract_all ](../../expressions/api/polars.Expr.str.extract_all.html)
* [ polars.Expr.str.extract_groups ](../../expressions/api/polars.Expr.str.extra... | |
polar_functions/Function_0_24.txt | ns ](../functions.html) __
* [ polars.from_arrow ](polars.from_arrow.html)
* [ polars.from_dataframe ](polars.from_dataframe.html)
* [ polars.from_dict ](polars.from_dict.html)
* [ polars.from_dicts ](polars.from_dicts.html)
* [ polars.from_numpy ](polars.from_numpy.html)
* [ polars.from_pandas ... | |
polar_functions/Expression_11_1.txt | l_count ](../../dataframe/api/polars.DataFrame.null_count.html)
* [ Export ](../../dataframe/export.html) __
* [ polars.DataFrame.__dataframe__ ](../../dataframe/api/polars.DataFrame.__dataframe__.html)
* [ polars.DataFrame.to_arrow ](../../dataframe/api/polars.DataFrame.to_arrow.html)
* [ polars.... | |
polar_functions/input_output_30_15.txt | olars.Expr.is_infinite.html)
* [ polars.Expr.is_last ](../expressions/api/polars.Expr.is_last.html)
* [ polars.Expr.is_last_distinct ](../expressions/api/polars.Expr.is_last_distinct.html)
* [ polars.Expr.is_nan ](../expressions/api/polars.Expr.is_nan.html)
* [ polars.Expr.is_not ](../expression... | |
polar_functions/input_output_10_10.txt | er_every.html)
* [ Manipulation/selection ](../series/modify_select.html) __
* [ polars.Series.alias ](../series/api/polars.Series.alias.html)
* [ polars.Series.append ](../series/api/polars.Series.append.html)
* [ polars.Series.arg_sort ](../series/api/polars.Series.arg_sort.html)
* [ polar... | |
polar_functions/LazyFrame_70_16.txt | i/polars.Expr.entropy.html)
* [ polars.Expr.ewm_mean ](../../expressions/api/polars.Expr.ewm_mean.html)
* [ polars.Expr.ewm_mean_by ](../../expressions/api/polars.Expr.ewm_mean_by.html)
* [ polars.Expr.ewm_std ](../../expressions/api/polars.Expr.ewm_std.html)
* [ polars.Expr.ewm_var ](../../expr... | |
polar_functions/input_output_21_11.txt | s ](../series/api/polars.Series.to_dummies.html)
* [ polars.Series.top_k ](../series/api/polars.Series.top_k.html)
* [ polars.Series.unique ](../series/api/polars.Series.unique.html)
* [ polars.Series.view ](../series/api/polars.Series.view.html)
* [ polars.Series.zip_with ](../series/api/polars... | |
polar_functions/DataType_6_23.txt | * [ polars.Expr.dt.day ](../expressions/api/polars.Expr.dt.day.html)
* [ polars.Expr.dt.days ](../expressions/api/polars.Expr.dt.days.html)
* [ polars.Expr.dt.dst_offset ](../expressions/api/polars.Expr.dt.dst_offset.html)
* [ polars.Expr.dt.epoch ](../expressions/api/polars.Expr.dt.epoch.html)
... | |
polar_functions/LazyFrame_7_28.txt | p_by_dynamic.html#polars.LazyFrame.group_by_dynamic
"polars.LazyFrame.group_by_dynamic") .
If you have a time series ` <t_0, t_1, ..., t_n> ` , then by default the
windows created will be
> * (t_0 - period, t_0]
>
> * (t_1 - period, t_1]
>
> * …
>
> * (t_n - period, t_n]
>
>
whereas if you pass a non-defa... | |
polar_functions/LazyFrame_23_19.txt | ssions/api/polars.Expr.list.first.html)
* [ polars.Expr.list.gather ](../../expressions/api/polars.Expr.list.gather.html)
* [ polars.Expr.list.get ](../../expressions/api/polars.Expr.list.get.html)
* [ polars.Expr.list.head ](../../expressions/api/polars.Expr.list.head.html)
* [ polars.Expr.list... | |
polar_functions/LazyFrame_9_14.txt | * [ polars.Expr.mean ](../../expressions/api/polars.Expr.mean.html)
* [ polars.Expr.median ](../../expressions/api/polars.Expr.median.html)
* [ polars.Expr.min ](../../expressions/api/polars.Expr.min.html)
* [ polars.Expr.nan_max ](../../expressions/api/polars.Expr.nan_max.html)
* [ polars.Ex... | |
polar_functions/Expression_13_9.txt | es/api/polars.Series.is_numeric.html)
* [ polars.Series.is_sorted ](../../series/api/polars.Series.is_sorted.html)
* [ polars.Series.is_temporal ](../../series/api/polars.Series.is_temporal.html)
* [ polars.Series.is_unique ](../../series/api/polars.Series.is_unique.html)
* [ polars.Series.is_ut... | |
polar_functions/input_output_37_16.txt | tml)
* [ polars.Expr.ewm_var ](../expressions/api/polars.Expr.ewm_var.html)
* [ polars.Expr.exp ](../expressions/api/polars.Expr.exp.html)
* [ polars.Expr.hash ](../expressions/api/polars.Expr.hash.html)
* [ polars.Expr.hist ](../expressions/api/polars.Expr.hist.html)
* [ polars.Expr.kurto... | |
polar_functions/Expression_63_1.txt | l_count ](../../dataframe/api/polars.DataFrame.null_count.html)
* [ Export ](../../dataframe/export.html) __
* [ polars.DataFrame.__dataframe__ ](../../dataframe/api/polars.DataFrame.__dataframe__.html)
* [ polars.DataFrame.to_arrow ](../../dataframe/api/polars.DataFrame.to_arrow.html)
* [ polars.... | |
polar_functions/LazyFrame_30_9.txt | api/polars.Series.list.arg_min.html)
* [ polars.Series.list.concat ](../../series/api/polars.Series.list.concat.html)
* [ polars.Series.list.contains ](../../series/api/polars.Series.list.contains.html)
* [ polars.Series.list.count_match ](../../series/api/polars.Series.list.count_match.html)
* ... | |
polar_functions/Expression_38_12.txt | * [ polars.Series.str.json_decode ](../../series/api/polars.Series.str.json_decode.html)
* [ polars.Series.str.json_extract ](../../series/api/polars.Series.str.json_extract.html)
* [ polars.Series.str.json_path_match ](../../series/api/polars.Series.str.json_path_match.html)
* [ polars.Series.str.le... | |
polar_functions/input_output_18_21.txt | .name.prefix ](../expressions/api/polars.Expr.name.prefix.html)
* [ polars.Expr.name.suffix ](../expressions/api/polars.Expr.name.suffix.html)
* [ polars.Expr.name.to_lowercase ](../expressions/api/polars.Expr.name.to_lowercase.html)
* [ polars.Expr.name.to_uppercase ](../expressions/api/polars.Expr.n... | |
polar_functions/input_output_21_18.txt | /expressions/api/polars.tail.html)
* [ polars.time ](../expressions/api/polars.time.html)
* [ polars.time_range ](../expressions/api/polars.time_range.html)
* [ polars.time_ranges ](../expressions/api/polars.time_ranges.html)
* [ polars.var ](../expressions/api/polars.var.html)
* [ polars.... | |
polar_functions/Expression_29_6.txt | polars.LazyFrame.deserialize ](../../lazyframe/api/polars.LazyFrame.deserialize.html)
* [ polars.LazyFrame.serialize ](../../lazyframe/api/polars.LazyFrame.serialize.html)
* [ Series ](../../series/index.html) __
* [ Aggregation ](../../series/aggregation.html) __
* [ polars.Series.arg_max ](../../se... | |
polar_functions/input_output_5_18.txt | /expressions/api/polars.tail.html)
* [ polars.time ](../expressions/api/polars.time.html)
* [ polars.time_range ](../expressions/api/polars.time_range.html)
* [ polars.time_ranges ](../expressions/api/polars.time_ranges.html)
* [ polars.var ](../expressions/api/polars.var.html)
* [ polars.... | |
polar_functions/DataType_26_10.txt | er_every.html)
* [ Manipulation/selection ](../series/modify_select.html) __
* [ polars.Series.alias ](../series/api/polars.Series.alias.html)
* [ polars.Series.append ](../series/api/polars.Series.append.html)
* [ polars.Series.arg_sort ](../series/api/polars.Series.arg_sort.html)
* [ polar... | |
polar_functions/DataType_16_18.txt | /expressions/api/polars.tail.html)
* [ polars.time ](../expressions/api/polars.time.html)
* [ polars.time_range ](../expressions/api/polars.time_range.html)
* [ polars.time_ranges ](../expressions/api/polars.time_ranges.html)
* [ polars.var ](../expressions/api/polars.var.html)
* [ polars.... | |
polar_functions/Expression_7_23.txt | d_csv_batched.html)
* [ polars.scan_csv ](../../api/polars.scan_csv.html)
* [ polars.DataFrame.write_csv ](../../api/polars.DataFrame.write_csv.html)
* [ polars.LazyFrame.sink_csv ](../../api/polars.LazyFrame.sink_csv.html)
* [ polars.io.csv.batched_reader.BatchedCsvReader.next_batches ](../../api/polar... | |
polar_functions/input_output_20_27.txt | int "\(in Python v3.12\)") | [ None ](https://docs.python.org/3/library/constants.html#None "\(in Python v3.12\)") = None _ ,
) → LazyFrame [ [source] ](https://github.com/pola-rs/polars/blob/main/py-
polars/polars/io/pyarrow_dataset/functions.py#L13-L76) #
Scan a pyarrow dataset.
Warning
This functio... | |
polar_functions/LazyFrame_67_18.txt | t.html)
* [ polars.rolling_corr ](../../expressions/api/polars.rolling_corr.html)
* [ polars.rolling_cov ](../../expressions/api/polars.rolling_cov.html)
* [ polars.select ](../../expressions/api/polars.select.html)
* [ polars.std ](../../expressions/api/polars.std.html)
* [ polars.struct ... | |
polar_functions/LazyFrame_26_1.txt | l_count ](../../dataframe/api/polars.DataFrame.null_count.html)
* [ Export ](../../dataframe/export.html) __
* [ polars.DataFrame.__dataframe__ ](../../dataframe/api/polars.DataFrame.__dataframe__.html)
* [ polars.DataFrame.to_arrow ](../../dataframe/api/polars.DataFrame.to_arrow.html)
* [ polars.... | |
polar_functions/Function_13_1.txt | ars.DataFrame.__dataframe__ ](../dataframe/api/polars.DataFrame.__dataframe__.html)
* [ polars.DataFrame.to_arrow ](../dataframe/api/polars.DataFrame.to_arrow.html)
* [ polars.DataFrame.to_dict ](../dataframe/api/polars.DataFrame.to_dict.html)
* [ polars.DataFrame.to_dicts ](../dataframe/api/polars.Da... | |
polar_functions/Expression_48_21.txt | polars.Expr.str.to_titlecase.html)
* [ polars.Expr.str.to_time ](polars.Expr.str.to_time.html)
* [ polars.Expr.str.to_uppercase ](polars.Expr.str.to_uppercase.html)
* [ polars.Expr.str.zfill ](polars.Expr.str.zfill.html)
* [ Struct ](../struct.html) __
* [ polars.Expr.struct.field ](polars.E... | |
polar_functions/Function_14_11.txt | s ](../series/api/polars.Series.to_dummies.html)
* [ polars.Series.top_k ](../series/api/polars.Series.top_k.html)
* [ polars.Series.unique ](../series/api/polars.Series.unique.html)
* [ polars.Series.view ](../series/api/polars.Series.view.html)
* [ polars.Series.zip_with ](../series/api/polars... | |
polar_functions/Expression_53_5.txt | olling ](../../lazyframe/api/polars.LazyFrame.group_by_rolling.html)
* [ polars.LazyFrame.groupby ](../../lazyframe/api/polars.LazyFrame.groupby.html)
* [ polars.LazyFrame.groupby_dynamic ](../../lazyframe/api/polars.LazyFrame.groupby_dynamic.html)
* [ polars.LazyFrame.groupby_rolling ](../../lazyfram... | |
polar_functions/Expression_17_0.txt | Skip to main content
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polar_functions/LazyFrame_57_15.txt | olars.Expr.is_in ](../../expressions/api/polars.Expr.is_in.html)
* [ polars.Expr.is_infinite ](../../expressions/api/polars.Expr.is_infinite.html)
* [ polars.Expr.is_last ](../../expressions/api/polars.Expr.is_last.html)
* [ polars.Expr.is_last_distinct ](../../expressions/api/polars.Expr.is_last_dist... | |
polar_functions/LazyFrame_7_9.txt | /polars.Series.list.arg_min.html)
* [ polars.Series.list.concat ](../../series/api/polars.Series.list.concat.html)
* [ polars.Series.list.contains ](../../series/api/polars.Series.list.contains.html)
* [ polars.Series.list.count_match ](../../series/api/polars.Series.list.count_match.html)
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polar_functions/DataType_10_20.txt | lars.Expr.interpolate ](../expressions/api/polars.Expr.interpolate.html)
* [ polars.Expr.limit ](../expressions/api/polars.Expr.limit.html)
* [ polars.Expr.lower_bound ](../expressions/api/polars.Expr.lower_bound.html)
* [ polars.Expr.map_dict ](../expressions/api/polars.Expr.map_dict.html)
* [ ... | |
polar_functions/LazyFrame_18_24.txt | * [ polars.Expr.dt.to_string ](../../expressions/api/polars.Expr.dt.to_string.html)
* [ polars.Expr.dt.total_days ](../../expressions/api/polars.Expr.dt.total_days.html)
* [ polars.Expr.dt.total_hours ](../../expressions/api/polars.Expr.dt.total_hours.html)
* [ polars.Expr.dt.total_microseconds ](... | |
polar_functions/LazyFrame_63_1.txt | l_count ](../../dataframe/api/polars.DataFrame.null_count.html)
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* [ polars.... | |
polar_functions/LazyFrame_33_9.txt | pi/polars.Series.list.arg_min.html)
* [ polars.Series.list.concat ](../../series/api/polars.Series.list.concat.html)
* [ polars.Series.list.contains ](../../series/api/polars.Series.list.contains.html)
* [ polars.Series.list.count_match ](../../series/api/polars.Series.list.count_match.html)
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polar_functions/LazyFrame_44_11.txt | s/api/polars.Series.apply.html)
* [ polars.Series.equals ](../../series/api/polars.Series.equals.html)
* [ polars.Series.map_elements ](../../series/api/polars.Series.map_elements.html)
* [ polars.Series.reinterpret ](../../series/api/polars.Series.reinterpret.html)
* [ polars.Series.series_equa... | |
polar_functions/LazyFrame_71_6.txt | tml)
* [ polars.Series.arr.n_unique ](../../series/api/polars.Series.arr.n_unique.html)
* [ polars.Series.arr.var ](../../series/api/polars.Series.arr.var.html)
* [ polars.Series.arr.all ](../../series/api/polars.Series.arr.all.html)
* [ polars.Series.arr.any ](../../series/api/polars.Series.arr... | |
polar_functions/Expression_29_22.txt | * [ polars.Expr.dt.year ](polars.Expr.dt.year.html)
* [ Window ](../window.html) __
* [ polars.Expr.over ](polars.Expr.over.html)
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polar_functions/LazyFrame_4_22.txt | ../../expressions/api/polars.Expr.str.explode.html)
* [ polars.Expr.str.extract ](../../expressions/api/polars.Expr.str.extract.html)
* [ polars.Expr.str.extract_all ](../../expressions/api/polars.Expr.str.extract_all.html)
* [ polars.Expr.str.extract_groups ](../../expressions/api/polars.Expr.str.ext... | |
polar_functions/Function_9_17.txt | rs.concat_list ](../expressions/api/polars.concat_list.html)
* [ polars.concat_str ](../expressions/api/polars.concat_str.html)
* [ polars.corr ](../expressions/api/polars.corr.html)
* [ polars.count ](../expressions/api/polars.count.html)
* [ polars.cov ](../expressions/api/polars.cov.html)
... | |
polar_functions/Expression_54_16.txt | * [ polars.Expr.hist ](polars.Expr.hist.html)
* [ polars.Expr.kurtosis ](polars.Expr.kurtosis.html)
* [ polars.Expr.log ](polars.Expr.log.html)
* [ polars.Expr.log10 ](polars.Expr.log10.html)
* [ polars.Expr.log1p ](polars.Expr.log1p.html)
* [ polars.Expr.mode ](polars.Expr.mode.html)
... | |
polar_functions/LazyFrame_74_27.txt | /polars.exceptions.DuplicateError.html)
* [ polars.exceptions.InvalidOperationError ](../../api/polars.exceptions.InvalidOperationError.html)
* [ polars.exceptions.NoDataError ](../../api/polars.exceptions.NoDataError.html)
* [ polars.exceptions.NoRowsReturnedError ](../../api/polars.exceptions.NoRowsReturn... | |
polar_functions/Function_9_22.txt | polars.Expr.str.lstrip.html)
* [ polars.Expr.str.n_chars ](../expressions/api/polars.Expr.str.n_chars.html)
* [ polars.Expr.str.pad_end ](../expressions/api/polars.Expr.str.pad_end.html)
* [ polars.Expr.str.pad_start ](../expressions/api/polars.Expr.str.pad_start.html)
* [ polars.Expr.str.parse_... | |
polar_functions/LazyFrame_70_13.txt | s.dt.microsecond.html)
* [ polars.Series.dt.microseconds ](../../series/api/polars.Series.dt.microseconds.html)
* [ polars.Series.dt.millennium ](../../series/api/polars.Series.dt.millennium.html)
* [ polars.Series.dt.millisecond ](../../series/api/polars.Series.dt.millisecond.html)
* [ polars.S... | |
polar_functions/Expression_31_25.txt | equal.html)
* [ polars.testing.assert_frame_not_equal ](../../api/polars.testing.assert_frame_not_equal.html)
* [ polars.testing.assert_series_equal ](../../api/polars.testing.assert_series_equal.html)
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* ... | |
polar_functions/LazyFrame_13_1.txt | e Spark ](/user-guide/migration/spark/)
* [ Ecosystem ](/user-guide/ecosystem/)
* Misc Misc
* [ Multiprocessing ](/user-guide/misc/multiprocessing/)
* [ Visualization ](/user-guide/misc/visualization/)
* [ Comparison with other tools ](/user-guide/misc/comparison/)
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polar_functions/Expression_47_4.txt | zyFrame.width.html)
* [ Descriptive ](../../lazyframe/descriptive.html) __
* [ polars.LazyFrame.describe ](../../lazyframe/api/polars.LazyFrame.describe.html)
* [ polars.LazyFrame.explain ](../../lazyframe/api/polars.LazyFrame.explain.html)
* [ polars.LazyFrame.show_graph ](../../lazyframe/api/pol... | |
polar_functions/input_output_0_2.txt | by_name.html)
* [ polars.DataFrame.gather_every ](../dataframe/api/polars.DataFrame.gather_every.html)
* [ polars.DataFrame.get_column ](../dataframe/api/polars.DataFrame.get_column.html)
* [ polars.DataFrame.get_column_index ](../dataframe/api/polars.DataFrame.get_column_index.html)
* [ polars.... | |
polar_functions/LazyFrame_42_20.txt | ant.html)
* [ polars.Expr.fill_nan ](../../expressions/api/polars.Expr.fill_nan.html)
* [ polars.Expr.fill_null ](../../expressions/api/polars.Expr.fill_null.html)
* [ polars.Expr.filter ](../../expressions/api/polars.Expr.filter.html)
* [ polars.Expr.flatten ](../../expressions/api/polars.Expr.... | |
polar_functions/input_output_33_18.txt | /expressions/api/polars.tail.html)
* [ polars.time ](../expressions/api/polars.time.html)
* [ polars.time_range ](../expressions/api/polars.time_range.html)
* [ polars.time_ranges ](../expressions/api/polars.time_ranges.html)
* [ polars.var ](../expressions/api/polars.var.html)
* [ polars.... | |
polar_functions/Expression_37_9.txt | es/api/polars.Series.is_numeric.html)
* [ polars.Series.is_sorted ](../../series/api/polars.Series.is_sorted.html)
* [ polars.Series.is_temporal ](../../series/api/polars.Series.is_temporal.html)
* [ polars.Series.is_unique ](../../series/api/polars.Series.is_unique.html)
* [ polars.Series.is_ut... | |
polar_functions/LazyFrame_21_10.txt | [ polars.Series.clip ](../../series/api/polars.Series.clip.html)
* [ polars.Series.clip_max ](../../series/api/polars.Series.clip_max.html)
* [ polars.Series.clip_min ](../../series/api/polars.Series.clip_min.html)
* [ polars.Series.clone ](../../series/api/polars.Series.clone.html)
* [ polars.... | |
polar_functions/LazyFrame_43_20.txt | tant.html)
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