id
int64
0
7.95k
code_block
stringlengths
1
52.9k
too_long
stringclasses
2 values
marks
int64
1
5
graph_vertex_id
float64
1
88
graph_vertex_class
stringclasses
12 values
graph_vertex_subclass
stringclasses
70 values
kernel_id
float64
25.8k
14.7M
⌀
sqale_rating
float64
1
4
maintainability_rating
stringclasses
4 values
code_smells
int64
0
36
complexity
float64
0
15
⌀
cognitive_complexity
int64
0
33
bugs
int64
0
7
sqale_index
int64
0
125
ncloc
float64
0
101
⌀
mlscent_analysis_status
stringclasses
3 values
mlscent_smell_count
int64
0
31
mlscent_unique_smell_count
int64
0
12
mlscent_findings_json
stringlengths
2
7.76k
mlscent_ml_rating
stringclasses
5 values
mlscent_ml_rating_basis
stringclasses
52 values
mlscent_ml_findings_json
stringclasses
50 values
mlscent_ignored_findings_json
stringclasses
199 values
context_line_count
int64
0
33
combined_rating
stringclasses
5 values
2,785
b"# \nparams = {'objective': 'reg:linear',\n 'eta': 0.01,\n 'max_depth': 11,\n 'subsample': 0.5,\n 'colsample_bytree': 0.5,\n 'silent': 1,\n 'seed': 1\n }\nnum_trees = 10000"
No
5
59
Model_Train
init_hyperparams
null
1
A
0
0
0
0
0
0
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,786
b"# \nfrom sklearn.model_selection import train_test_split\n\nX_train, X_test = train_test_split(train, test_size=0.2, random_state=2)\n\ndtrain = xgb.DMatrix(X_train[features], np.log1p(X_train.Sales))\ndvalid = xgb.DMatrix(X_test[features], np.log1p(X_test.Sales))\ndtest = xgb.DMatrix(test[features])\n\nwatchlist = [...
No
2
7
Model_Train
train_model
null
1
A
0
0
0
0
0
0
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,787
# test_probs = gbm.predict(xgb.DMatrix(test[features]), ntree_limit=gbm.best_ntree_limit) indices = test_probs < 0 test_probs[indices] = 0 submission = pd.DataFrame({"Id": test["Id"], "Sales": np.expm1(test_probs)}) submission.to_csv("xgboost.csv", index=False)'
Yes
2
48
Model_Evaluation
predict_on_test
null
1
A
0
null
0
0
0
null
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,788
from fastai.tabular import * from isoweek import Week #import tarfile for dirname, _, filenames in os.walk('/kaggle/input'): for filename in filenames: print(os.path.join(dirname, filename)) # path to external datasets tar = tarfile.open('/kaggle/input/external-datasets/rossmann.tgz', "r:gz")'
No
4
88
Debug
list_files
null
1
A
0
null
0
0
0
null
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,789
# place holders path = "/kaggle/input/rossmann-store-sales/" base_path="../output"
No
3
44
Data_Extraction
load_from_disk
10,295,596
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,790
# paths to kaggle data sets train = "/kaggle/input/rossmann-store-sales/train.csv" test = "/kaggle/input/rossmann-store-sales/test.csv" store = "/kaggle/input/rossmann-store-sales/store.csv" # paths to external tar file datasets store_states = tar.extractfile('store_states.csv') state_names = tar.extractfile('state_na...
No
4
45
Data_Extraction
load_from_csv
null
1
A
0
null
0
0
0
null
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,791
# read in kaggle and external datasets as dataframes table_names = [train, store, store_states, state_names, googletrend, weather, test] tables = [pd.read_csv(fpath, low_memory=False) for fpath in table_names] train, store, store_states, state_names, googletrend, weather, test = tables len(train),len(test)
No
4
45
Data_Extraction
load_from_csv
10,295,596
1
A
0
0
0
0
0
4
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,792
print(train.shape) train.head()
No
4
58
Debug
show_shape
null
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,793
print(test.shape) test.head()
No
4
58
Debug
show_shape
null
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,794
print(store.shape) store.head()
No
4
58
Debug
show_shape
10,295,596
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,795
print(store_states.shape) store_states.head()
No
4
58
Debug
show_shape
10,295,596
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,796
print(googletrend.shape) googletrend.head()
No
4
58
Debug
show_shape
10,295,596
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,797
print(weather.shape) weather.head()
No
4
58
Debug
show_shape
10,295,596
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,798
print(train.StateHoliday.unique()) print(test.StateHoliday.unique())
No
5
57
Debug
show_unique_values
10,295,596
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,799
train.StateHoliday = train.StateHoliday!='0' test.StateHoliday = test.StateHoliday!='0'
No
5
14
Data_Transform
filter
null
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,800
def join_df(left, right, left_on, right_on=None, suffix='_y'): if right_on is None: right_on = left_on return left.merge(right, how='left', left_on=left_on, right_on=right_on, suffixes=("",suffix))'
No
5
32
Data_Transform
merge
null
1
A
0
null
0
0
0
null
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,801
weather = join_df(weather, state_names, "file", "StateName") weather.head(3)
No
4
32
Data_Transform
merge
10,295,596
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,802
googletrend['Date'] = googletrend.week.str.split(' - ', expand=True)[0] googletrend['State'] = googletrend.file.str.split('_', expand=True)[2] googletrend.loc[googletrend.State=='NI', "State"] = 'HB,NI''
No
4
78
Data_Transform
string_transform
null
1
A
0
null
0
0
0
null
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,803
googletrend.head(3)
No
5
41
Debug
show_table
10,295,596
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,804
def add_datepart(df, fldname, drop=True, time=False): "Helper function that adds columns relevant to a date." fld = df[fldname] fld_dtype = fld.dtype if isinstance(fld_dtype, pd.core.dtypes.dtypes.DatetimeTZDtype): fld_dtype = np.datetime64 if not np.issubdtype(fld_dtype, np.datetime64): ...
No
2
8
Data_Transform
feature_engineering
null
1
A
0
null
0
0
0
null
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,805
add_datepart(googletrend,"Date", drop=False) googletrend.head(3)
No
2
16
Data_Transform
data_type_conversions
10,295,596
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,806
# continue with all other tables add_datepart(weather, "Date", drop=False) add_datepart(train, "Date", drop=False) add_datepart(test, "Date", drop=False)
No
3
16
Data_Transform
data_type_conversions
10,295,596
1
A
0
0
0
0
0
3
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,807
trend_de = googletrend[googletrend.file == 'Rossmann_DE'] trend_de.head(3)
No
4
14
Data_Transform
filter
10,295,596
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,808
store = join_df(store, store_states, "Store") len(store[store.State.isnull()])
No
4
32
Data_Transform
merge
null
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,809
joined = join_df(train, store, "Store") joined_test = join_df(test, store, "Store") len(joined[joined.StoreType.isnull()]), len(joined_test[joined_test.StoreType.isnull()])
No
4
32
Data_Transform
merge
null
1
A
0
0
0
0
0
3
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,810
# join the joined df with googletrend with ["State","Year","Week"] as the index # this way the non matching day dates do not create issues. joined = join_df(joined, googletrend, ["State","Year", "Week"]) joined_test = join_df(joined_test, googletrend, ["State","Year", "Week"]) len(joined[joined.trend.isnull()]),len(joi...
No
4
32
Data_Transform
merge
10,295,596
1
A
0
0
0
0
0
3
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,811
# now join the overal germany trend joined = joined.merge(trend_de, 'left', ["Year", "Week"], suffixes=('', '_DE')) joined_test = joined_test.merge(trend_de, 'left', ["Year", "Week"], suffixes=('', '_DE')) len(joined[joined.trend_DE.isnull()]),len(joined_test[joined_test.trend_DE.isnull()])'
No
4
32
Data_Transform
merge
null
1
A
0
null
0
0
0
null
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,812
# finally join the weather data joined = join_df(joined, weather, ["State","Date"]) joined_test = join_df(joined_test, weather, ["State","Date"]) len(joined[joined.Mean_TemperatureC.isnull()]),len(joined_test[joined_test.Mean_TemperatureC.isnull()])
No
4
32
Data_Transform
merge
10,295,596
1
A
0
0
0
0
0
3
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,813
# now we can drop duplicated columns for df in (joined, joined_test): for c in df.columns: if c.endswith('_y'): if c in df.columns: df.drop(c, inplace=True, axis=1)
No
5
10
Data_Transform
drop_column
10,295,596
1
A
1
4
10
0
5
4
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,814
for df in (joined,joined_test): df['CompetitionOpenSinceYear'] = df.CompetitionOpenSinceYear.fillna(1900).astype(np.int32) df['CompetitionOpenSinceMonth'] = df.CompetitionOpenSinceMonth.fillna(1).astype(np.int32) df['Promo2SinceYear'] = df.Promo2SinceYear.fillna(1900).astype(np.int32) df['Promo2SinceWee...
No
5
16
Data_Transform
data_type_conversions
null
1
A
0
1
1
0
0
5
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,815
for df in (joined, joined_test): df['CompetitionOpenSince'] = pd.to_datetime(dict(year=df.CompetitionOpenSinceYear, month=df.CompetitionOpenSinceMonth, day=15)) df['CompetitionDaysOpen'] = df.Date.subtract...
No
4
16
Data_Transform
data_type_conversions
10,295,596
1
A
1
1
1
0
5
5
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,816
for df in (joined, joined_test): df.loc[df.CompetitionDaysOpen<0, "CompetitionDaysOpen"] = 0 df.loc[df.CompetitionOpenSinceYear<1990, "CompetitionDaysOpen"] = 0
No
4
20
Data_Transform
categorify
null
1
A
0
1
1
0
0
3
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,817
for df in (joined,joined_test): df["CompetitionMonthsOpen"] = df["CompetitionDaysOpen"]//30 df.loc[df.CompetitionMonthsOpen>24, "CompetitionMonthsOpen"] = 24 joined.CompetitionMonthsOpen.unique()
No
4
8
Data_Transform
feature_engineering
null
1
A
0
1
1
0
0
4
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,818
for df in (joined, joined_test): df["Promo2Since"] = pd.to_datetime(df.apply( lambda x: Week(x.Promo2SinceYear, x.Promo2SinceWeek).monday(), axis=1)) df["Promo2Days"] = df.Date.subtract(df['Promo2Since']).dt.days'
No
4
16
Data_Transform
data_type_conversions
null
1
A
0
null
0
0
0
null
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,819
for df in (joined,joined_test): df.loc[df.Promo2Days<0, "Promo2Days"] = 0 df.loc[df.Promo2SinceYear<1990, "Promo2Days"] = 0 df["Promo2Weeks"] = df["Promo2Days"]//7 df.loc[df.Promo2Weeks<0, "Promo2Weeks"] = 0 df.loc[df.Promo2Weeks>25, "Promo2Weeks"] = 25 df.Promo2Weeks.unique()
No
4
8
Data_Transform
feature_engineering
null
1
A
0
1
1
0
0
7
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,821
import numpy as np import pandas as pd import matplotlib.pyplot as plt import os for dirname, _, filenames in os.walk('/kaggle/input'): for filename in filenames: print(os.path.join(dirname, filename))
No
5
88
Debug
list_files
null
1
A
0
2
3
0
0
7
ok
1
1
[{"detector": "general_ml", "framework": "General ML", "name": "Hardcoded file path detected: /kaggle/input. Consider using configuration files or environment variables.", "fix": "Not specified", "benefits": "Not specified", "location": "Line 6"}]
A
no applicable ML-specific findings
[]
["Hardcoded file path"]
0
A
2,822
b"# This decoratore shows some info about function perormance\n# etc time,shpe changes,nan values\n\ndef info(function):\n import datetime\n def wrapper(data,*args,**kargs):\n tic = datetime.datetime.now()\n result = function(data,*args,**kargs)\n toc = datetime.datetime.now()\n ...
No
5
53
Other
something_strange
null
1
A
0
0
0
0
0
0
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,823
# let`s load datasets as usually train = pd.read_csv('/kaggle/input/rossmann-store-sales/train.csv') test = pd.read_csv('/kaggle/input/rossmann-store-sales/test.csv') stores = pd.read_csv('/kaggle/input/rossmann-store-sales/store.csv') sample = pd.read_csv('/kaggle/input/rossmann-store-sales/sample_submission.csv')
No
5
45
Data_Extraction
load_from_csv
11,013,798
1
A
0
0
0
0
0
4
ok
6
3
[{"detector": "general_ml", "framework": "General ML", "name": "Data loading detected without size checks or batch processing. Consider using generators or batch processing for large datasets.", "fix": "Not specified", "benefits": "Not specified", "location": ""}, {"detector": "general_ml", "framework": "General ML", "...
A
no applicable ML-specific findings
[]
["Data loading detected without size checks or batch processing. Consider using generators or batch processing for large datasets.", "Hardcoded file path", "No error handling detected in data processing. Consider adding try-except blocks or validation checks for robustness."]
7
A
2,824
# Thank to notebooks we can definve evaluation metric def ToWeight(y): w = np.zeros(y.shape, dtype=float) ind = y != 0 w[ind] = 1./(y[ind]**2) return w def rmspe(yhat, y): w = ToWeight(y) rmspe = np.sqrt(np.mean( w * (y - yhat)**2 )) return rmspe
No
5
84
Other
not_enough_vertices
11,013,798
1
A
1
2
0
0
10
9
ok
4
3
[{"detector": "framework_specific", "framework": "NumPy", "name": "Missing Axis Specification", "fix": "Specify axis in array operations.", "benefits": "Improves performance and avoids unexpected behaviour.", "location": "Line 19"}, {"detector": "framework_specific", "framework": "Pandas", "name": "Column Selection Che...
C
Missing Axis Specification=medium
[{"type": "Missing Axis Specification", "severity": "medium"}]
["Column Selection Checker", "Missing function docstring"]
7
C
2,825
import seaborn as sns fig,ax =plt.subplots(1,2,figsize = (20,10)) ins1 = ax[0].inset_axes([0.5,0.5,0.4,0.4]) ins2 = ax[1].inset_axes([0.7,0.7,0.2,0.2]) sns.distplot(train[train.Sales != 0].Sales,ax=ax[0],bins=100) sns.distplot(np.log1p(train[train.Sales != 0].Sales),ax=ins1,bins=100,color = 'red') sns.boxplot(trai...
No
5
33
Visualization
distribution
11,013,798
1
A
0
0
0
0
0
8
ok
1
1
[{"detector": "framework_specific", "framework": "Pandas", "name": "Column Selection Checker", "fix": "Select necessary columns after importing DataFrame.", "benefits": "Clarifies data usage and improves performance.", "location": ""}]
A
no applicable ML-specific findings
[]
["Column Selection Checker"]
7
A
2,826
@info def log_transf(df): # log transformation function to remove skeew df.Sales = np.log1p(df.Sales) df.Customers = np.log1p(df.Customers) return df @info def remove_outliers(df,column='Sales'): # interquntile approach to remove outliers q1 = df[column].quantile(0.2) q3 = df[column]....
No
3
8
Data_Transform
feature_engineering
11,013,798
1
A
0
2
0
0
0
14
ok
3
2
[{"detector": "framework_specific", "framework": "Pandas", "name": "Column Selection Checker", "fix": "Select necessary columns after importing DataFrame.", "benefits": "Clarifies data usage and improves performance.", "location": ""}, {"detector": "general_ml", "framework": "General ML", "name": "Missing docstring for...
A
no applicable ML-specific findings
[]
["Column Selection Checker", "Missing function docstring"]
7
A
2,827
@info def timeseries_features(df): # move to datetime format df.Date = pd.to_datetime(df.Date) df = df.sort_values('Date').reset_index(drop = True) # derive regular for ml task time series features df['month'] = df.Date.dt.month df['dayofmonth'] = df.Date.dt.day df['dayofye...
No
2
8
Data_Transform
feature_engineering
11,013,798
1
A
0
6
2
0
0
50
ok
8
6
[{"detector": "framework_specific", "framework": "Pandas", "name": "InPlace Checker", "fix": "Assign operations to a new DataFrame variable.", "benefits": "Prevents data loss and improves code clarity.", "location": "Line 47"}, {"detector": "framework_specific", "framework": "Pandas", "name": "InPlace Checker", "fix": ...
B
Cross Validation Checker=low, No random seed setting detected=low
[{"type": "Cross Validation Checker", "severity": "low"}, {"type": "No random seed setting detected", "severity": "low"}]
["Column Selection Checker", "InPlace Checker", "Magic number", "Missing function docstring"]
7
B
2,828
# Here I would like to know what is rmspe score with th emost dumb approach # we devide data on train and test test_bs = data_prep[data_prep.year == 2015] train_bs = data_prep[data_prep.year < 2015] # I am going to use mean Sales grouped by store-month-day among previous years as predicted values for 2015 predict_b...
Yes
3
33
Visualization
distribution
11,013,798
1
A
0
1
1
0
0
16
ok
9
7
[{"detector": "framework_specific", "framework": "NumPy", "name": "Randomness Control Checker", "fix": "Use np.random.seed() for reproducibility.", "benefits": "Enables reproducible results and debugging.", "location": ""}, {"detector": "framework_specific", "framework": "Pandas", "name": "Column Selection Checker", "f...
B
Cross Validation Checker=low, No random seed setting detected=low, Randomness Control Checker=low
[{"type": "Cross Validation Checker", "severity": "low"}, {"type": "No random seed setting detected", "severity": "low"}, {"type": "Randomness Control Checker", "severity": "low"}]
["Column Selection Checker", "Exception Handling Checker", "No error handling detected in data processing. Consider adding try-except blocks or validation checks for robustness.", "Unit Testing Checker"]
7
B
2,829
# There are two few reasons to use mean (aka target) encoding # We have 1115 stores, definetly there is correlation between store and sales # We could perform leave stores as it is ----> not good for known reasons # We could perform OneHotEncoding ----> not goodm becaouse we will have 1115 new columns, mainly sp...
No
1
16
Data_Transform
data_type_conversions
11,013,798
1
A
0
1
0
0
0
11
ok
1
1
[{"detector": "general_ml", "framework": "General ML", "name": "Missing docstring for function: mean_encoding. Consider adding documentation for parameters and return values.", "fix": "Not specified", "benefits": "Not specified", "location": "Line 16"}]
A
no applicable ML-specific findings
[]
["Missing function docstring"]
7
A
2,830
b"# also it is good to statistic\n\nfrom statsmodels.tsa.seasonal import seasonal_decompose\nfrom statsmodels.graphics.tsaplots import plot_acf,plot_pacf\nfrom statsmodels.tsa.stattools import adfuller\n\n\n# first lets check our data for stationarity\n\ncounter = 0\nfor store in data_prep.Store.unique():\n df_store...
Yes
2
22
Environment
import_modules
null
1
A
0
0
0
0
0
0
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,831
# lets check few random stores rnd_store = np.random.randint(min(data_prep.Store),max(data_prep.Store),3) fig,ax = plt.subplots(3,2,figsize = (15,10)) for idx,store in enumerate(rnd_store): df_store = data_prep.copy().loc[data_prep.Store == store,['Date','Sales']].set_index('Date') df_store = df_store.resam...
No
3
33
Visualization
distribution
11,013,798
1
A
0
1
1
0
0
10
ok
2
2
[{"detector": "framework_specific", "framework": "NumPy", "name": "Randomness Control Checker", "fix": "Use np.random.seed() for reproducibility.", "benefits": "Enables reproducible results and debugging.", "location": ""}, {"detector": "framework_specific", "framework": "Pandas", "name": "Column Selection Checker", "f...
B
Randomness Control Checker=low
[{"type": "Randomness Control Checker", "severity": "low"}]
["Column Selection Checker"]
7
B
2,832
b"# finally lets check on nan and dublicated values\n \nprint('NaN summary\\n\\n',data_prep.isna().sum()/len(data_prep)*100,'\\n')\nprint('Number of absoulute dublicates:',data_prep.duplicated().sum())\nprint('Number of Store - Date dublicates:',data_prep.duplicated(subset = ['Date','Store']).sum())"
No
3
39
EDA
count_missing_values
null
1
A
0
0
0
0
0
0
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,833
from pandas.plotting import scatter_matrix import seaborn corr = data_prep.corr() plt.figure(figsize=(15,15)) seaborn.heatmap(corr)
No
5
80
Visualization
heatmap
11,013,798
1
A
0
0
0
0
0
5
ok
0
0
[]
A
no applicable ML-specific findings
[]
[]
7
A
2,834
stores = np.random.randint(train.Store.min(),train.Store.max(),2) plt.figure(figsize=(15,10)) for store in stores: plt.plot(data_prep.loc[(data_prep.Store == store) & (data_prep.year == 2013),'Date'],data_prep.loc[(data_prep.Store == store) & (data_prep.year == 2013),'Sales'],label = store) plt.legend()
No
5
75
Visualization
time_series
11,013,798
1
A
0
1
1
0
0
5
ok
3
3
[{"detector": "framework_specific", "framework": "NumPy", "name": "Randomness Control Checker", "fix": "Use np.random.seed() for reproducibility.", "benefits": "Enables reproducible results and debugging.", "location": ""}, {"detector": "framework_specific", "framework": "ScikitLearn", "name": "Cross Validation Checker...
B
Cross Validation Checker=low, No random seed setting detected=low, Randomness Control Checker=low
[{"type": "Cross Validation Checker", "severity": "low"}, {"type": "No random seed setting detected", "severity": "low"}, {"type": "Randomness Control Checker", "severity": "low"}]
[]
7
B
2,835
ohe_col = data_prep.select_dtypes('object').columns.tolist()+['Store','DayOfWeek','month'] num_col = data_prep.select_dtypes('float').columns.tolist()
No
2
8
Data_Transform
feature_engineering
11,013,798
1
A
0
0
0
0
0
2
ok
0
0
[]
A
no applicable ML-specific findings
[]
[]
7
A
2,836
X = data_prep.drop(['Date','Sales','Customers','Store'],axis = 1) y = data_prep.Sales X_train,X_val = X.loc[X.year < 2015,:],X.loc[X.year == 2015,:] y_train,y_val = y[:X_train.index[-1]+1], y[X_train.index[-1]+1:]
No
3
13
Data_Transform
split
11,013,798
1
A
0
0
0
0
0
4
ok
1
1
[{"detector": "framework_specific", "framework": "Pandas", "name": "Column Selection Checker", "fix": "Select necessary columns after importing DataFrame.", "benefits": "Clarifies data usage and improves performance.", "location": ""}]
A
no applicable ML-specific findings
[]
["Column Selection Checker"]
7
A
2,837
from sklearn.preprocessing import StandardScaler,MinMaxScaler from sklearn.preprocessing import OneHotEncoder,LabelEncoder,OrdinalEncoder from sklearn.compose import make_column_transformer from sklearn.pipeline import make_pipeline transformer = make_column_transformer( (StandardScaler(),['CompetitionDistance', '...
No
3
7
Model_Train
train_model
11,013,798
1
A
1
0
0
0
5
18
ok
11
8
[{"detector": "framework_specific", "framework": "ScikitLearn", "name": "Pipeline Checker", "fix": "Use Pipelines for all scikit-learn estimators.", "benefits": "Prevents data leakage and ensures correct model evaluation.", "location": ""}, {"detector": "framework_specific", "framework": "ScikitLearn", "name": "Cross V...
D
Cross Validation Checker=low, Data Leakage Checker=high, No random seed setting detected=low, Pipeline Checker=low
[{"type": "Cross Validation Checker", "severity": "low"}, {"type": "Data Leakage Checker", "severity": "high"}, {"type": "No random seed setting detected", "severity": "low"}, {"type": "Pipeline Checker", "severity": "low"}]
["Exception Handling Checker", "No error handling detected in data processing. Consider adding try-except blocks or validation checks for robustness.", "Unit Testing Checker", "Verbose Mode Checker"]
7
D
2,838
# We need to apply same transformation on test set as we did we train set test_prep = (test .copy() .pipe(timeseries_features) .drop(['Open','Date'],axis=1) ) test_prep = pd.merge(test_prep,store_prep,how='left',on='Store') test_prep['is_promo'] = test_prep.apply...
No
4
32
Data_Transform
merge
11,013,798
1
A
0
1
1
0
0
9
ok
1
1
[{"detector": "framework_specific", "framework": "Pandas", "name": "Column Selection Checker", "fix": "Select necessary columns after importing DataFrame.", "benefits": "Clarifies data usage and improves performance.", "location": ""}]
A
no applicable ML-specific findings
[]
["Column Selection Checker"]
7
A
2,839
test_id = test_prep.Id test_prep.drop('Id',axis=1,inplace = True) predict = np.expm1(pipeline.predict(test_prep)) # Remember to make inverse transformation
No
5
48
Model_Evaluation
predict_on_test
11,013,798
1
A
0
0
0
0
0
3
ok
3
3
[{"detector": "framework_specific", "framework": "Pandas", "name": "InPlace Checker", "fix": "Assign operations to a new DataFrame variable.", "benefits": "Prevents data loss and improves code clarity.", "location": "Line 9"}, {"detector": "framework_specific", "framework": "ScikitLearn", "name": "Unit Testing Checker"...
A
no applicable ML-specific findings
[]
["Exception Handling Checker", "InPlace Checker", "Unit Testing Checker"]
7
A
2,840
sub = pd.DataFrame({'Id':test_id,'Sales':predict}).sort_values('Id').reset_index(drop=True) sub.to_csv('submission.csv',index=False)
No
5
25
Data_Export
save_to_csv
11,013,798
1
A
0
0
0
0
0
2
ok
5
4
[{"detector": "framework_specific", "framework": "ScikitLearn", "name": "Unit Testing Checker", "fix": "Write unit tests for data processing and model components.", "benefits": "Ensures code reliability and prevents bugs.", "location": ""}, {"detector": "framework_specific", "framework": "ScikitLearn", "name": "Excepti...
B
No random seed setting detected=low
[{"type": "No random seed setting detected", "severity": "low"}]
["Exception Handling Checker", "No error handling detected in data processing. Consider adding try-except blocks or validation checks for robustness.", "Unit Testing Checker"]
7
B
2,841
columns = ["Date", "Store", "Promo", "StateHoliday", "SchoolHoliday"]
No
4
21
Data_Transform
prepare_x_and_y
null
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,842
df = train[columns].append(test[columns]) df.head(3)
No
4
21
Data_Transform
prepare_x_and_y
10,295,596
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,843
fld = 'SchoolHoliday' df = df.sort_values(['Store', 'Date']) get_elapsed(fld, 'After') df = df.sort_values(['Store', 'Date'], ascending=[True, False]) get_elapsed(fld, 'Before')
No
4
9
Data_Transform
sort_values
null
1
A
0
0
0
0
0
5
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,844
fld = 'StateHoliday' df = df.sort_values(['Store', 'Date']) get_elapsed(fld, 'After') df = df.sort_values(['Store', 'Date'], ascending=[True, False]) get_elapsed(fld, 'Before')
No
4
9
Data_Transform
sort_values
null
1
A
0
0
0
0
0
5
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,845
fld = 'Promo' df = df.sort_values(['Store', 'Date']) get_elapsed(fld, 'After') df = df.sort_values(['Store', 'Date'], ascending=[True, False]) get_elapsed(fld, 'Before')
No
4
9
Data_Transform
sort_values
null
1
A
0
0
0
0
0
5
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,846
df = df.set_index('Date')
No
5
53
Other
something_strange
null
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,847
columns = ['SchoolHoliday', 'StateHoliday', 'Promo']
No
4
17
Data_Transform
correct_missing_values
null
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,848
for o in ['Before', 'After']: for p in columns: a = o+p df[a] = df[a].fillna(0).astype(int)
No
3
17
Data_Transform
correct_missing_values
null
1
A
0
2
3
0
0
4
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,849
bwd = df[['Store']+columns].sort_index().groupby("Store").rolling(7, min_periods=1).sum()'
No
4
60
Data_Transform
groupby
null
1
A
0
null
0
0
0
null
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,850
fwd = df[['Store']+columns].sort_index(ascending=False ).groupby("Store").rolling(7, min_periods=1).sum()'
No
4
60
Data_Transform
groupby
null
1
A
0
null
0
0
0
null
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,851
bwd.drop('Store',1,inplace=True) bwd.reset_index(inplace=True)
No
5
10
Data_Transform
drop_column
null
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,852
fwd.drop('Store',1,inplace=True) fwd.reset_index(inplace=True)
No
5
10
Data_Transform
drop_column
null
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,853
df.reset_index(inplace=True)
No
4
84
Other
not_enough_vertices
null
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,854
df = df.merge(bwd, 'left', ['Date', 'Store'], suffixes=['', '_bw']) df = df.merge(fwd, 'left', ['Date', 'Store'], suffixes=['', '_fw'])
No
5
32
Data_Transform
merge
null
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,855
df.drop(columns,1,inplace=True)
No
5
10
Data_Transform
drop_column
null
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,857
df["Date"] = pd.to_datetime(df.Date)
No
5
16
Data_Transform
data_type_conversions
null
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,859
joined = join_df(joined, df, ['Store', 'Date'])
No
5
32
Data_Transform
merge
null
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,860
joined_test = join_df(joined_test, df, ['Store', 'Date'])
No
5
32
Data_Transform
merge
null
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,861
joined = joined[joined.Sales!=0]
No
5
14
Data_Transform
filter
null
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,862
joined.reset_index(inplace=True) joined_test.reset_index(inplace=True)
No
5
84
Other
not_enough_vertices
null
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,864
pd.set_option('display.max_columns', None) pd.set_option('display.max_rows', None)
No
5
23
Environment
set_options
null
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,865
train_df = joined test_df = joined_test
No
5
77
Other
define_variables
10,295,596
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,866
train_df.head().T
No
5
41
Debug
show_table
null
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,867
print(test_df.shape) test_df.head()
No
3
41
Debug
show_table
null
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,868
n = len(train_df); n
No
5
77
Other
define_variables
null
1
A
0
0
0
1
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,869
idx = np.random.permutation(range(n))[:2000] idx.sort() small_train_df = train_df.iloc[idx[:1000]] small_test_df = train_df.iloc[idx[1000:]] small_cont_vars = ['CompetitionDistance','Mean_Humidity'] small_cat_vars = ['Store','DayOfWeek','PromoInterval'] small_train_df = small_train_df[small_cat_vars + small_cont_vars +...
No
4
14
Data_Transform
filter
10,295,596
1
A
0
0
0
0
0
8
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,870
small_train_df.head()
No
5
41
Debug
show_table
null
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,871
small_test_df.head()
No
5
41
Debug
show_table
null
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,872
categorify = Categorify(small_cat_vars, small_cont_vars) categorify(small_train_df) categorify(small_test_df, test=True)
No
5
20
Data_Transform
categorify
null
1
A
0
0
0
0
0
3
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,873
small_train_df.PromoInterval.cat.categories
No
5
57
Debug
show_unique_values
null
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,874
# we convert to categories then add 1 to -1 (NaNs) to turn it to zero because you can not look up 1 in an embedding matrix small_train_df['PromoInterval'].cat.codes[:5]
No
5
41
Debug
show_table
10,295,596
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,875
fill_missing = FillMissing(small_cat_vars, small_cont_vars) fill_missing(small_train_df) fill_missing(small_test_df, test=True)
No
5
17
Data_Transform
correct_missing_values
null
1
A
0
0
0
0
0
3
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,876
# find any missing values, create a column called "_na" and set it to True any time it is missing # then replace the empty value with the median of CompetitionDistance because it needs to be a continues varaiable small_train_df[small_train_df['CompetitionDistance_na'] == True]'
No
5
14
Data_Transform
filter
null
1
A
0
null
0
0
0
null
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,877
len(train_df),len(test_df)
No
5
58
Debug
show_shape
10,295,596
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,878
# as seen above, create pre processers fill missing, categorify # and normalize (normalize: for any continous var subtract the mean and divide by std) procs=[FillMissing, Categorify, Normalize]
No
5
77
Other
define_variables
10,295,596
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,879
# name your category variables, keep some continues variables like "day" as cat because # as a cat var it will create an embedding matrix and the different days of the month will create different behavors cat_vars = ['Store', 'DayOfWeek', 'Year', 'Month', 'Day', 'StateHoliday', 'CompetitionMonthsOpen', 'Promo2Weeks...
No
4
14
Data_Transform
filter
null
1
A
0
null
0
0
0
null
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,880
# dependant var dep_var = 'Sales' # the final df to pass in will be the cat_vars, cont_vars, dep_var, and date, date will be used to create the validation set, #it will be the same number of records at the end of the time period as the test set from kaggle df = train_df[cat_vars + cont_vars + [dep_var,'Date']].copy()
No
3
14
Data_Transform
filter
10,295,596
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,881
test_df['Date'].min(), test_df['Date'].max()
No
5
40
Debug
show_table_attributes
10,295,596
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,882
cut = train_df['Date'][(train_df['Date'] == train_df['Date'][len(test_df)])].index.max() cut
No
5
14
Data_Transform
filter
10,295,596
1
A
0
0
0
1
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,883
valid_idx = range(cut)
No
4
13
Data_Transform
split
null
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,884
# finally, lets look df[dep_var].head()
No
5
41
Debug
show_table
10,295,596
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,885
# create databunch data = (TabularList.from_df(df, path='.', cat_names=cat_vars, cont_names=cont_vars, procs=procs,) .split_by_idx(valid_idx) .label_from_df(cols=dep_var, label_cls=FloatList, log=True) .add_test(TabularList.from_df(test_df, path=path, cat_names=cat_vars, ...
No
5
12
Data_Transform
create_dataframe
10,295,596
1
A
0
0
0
0
0
5
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,886
max_log_y = np.log(np.max(train_df['Sales'])*1.2) y_range = torch.tensor([0, max_log_y], device=defaults.device)
No
4
21
Data_Transform
prepare_x_and_y
10,295,596
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,887
# Learner learn = tabular_learner(data, layers=[1000,500], ps=[0.001,0.01], emb_drop=0.04, y_range=y_range, metrics=exp_rmspe)
No
4
7
Model_Train
train_model
10,295,596
1
A
0
0
0
0
0
2
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null
2,888
learn.model
No
3
4
Model_Train
choose_model_class
null
1
A
0
0
0
0
0
1
no_ml_import
0
0
[]
null
no_ml_import
[]
[]
0
null