kowalsky 0.0.6

A small package for all useful ML things

Kowalsky, analysis!

A simple package for handful ML things and more.

What's inside?

1. analysis - method for evaluation of specified model with given dataframe. With export_test_set=False it exports ready for submission predictions.

2. df - working with dataframe:

   • corr - sort all correlated features.
   • handle_outliers - fill or drop columns with outliers.
   • log_transform - transform columns with log function.
   • group_by_mean - make additional columns with aggregated mean
   • group_by_max - make additional columns with aggregated max
   • group_by_min - make additional columns with aggregated min
   • scale - scale columns with Standard of MinMax scalers

3. kag:

   • submit - make submit-file for kaggle based on sample

4. metrics:

   • rmse - RMSE scorer
   • rmsle - RMSLE scorer

5. opt - handful methods for working with optuna:

   • optimize - optimize model with given dataframe

Example:

!pip install kowalsky --upgrade
from kowalsky.opt import optimize
optimize('RFR',
         path='../input/project/feed.csv',
         scorer='acc',
         y_label='y_label',
         trials=3000)

Avaliable models:

Gradient Boosts

    'XGBR': XGBRegressor
    'XGBC': XGBClassifier
    'LGBR': LGBMRegressor
    'LGBC': LGBMClassifier

Trees

    'RFR': RandomForestRegressor
    'RFC': RandomForestClassifier
    'DTR': DecisionTreeRegressor
    'DTC': DecisionTreeClassifier
    'ETR': ExtraTreeRegressor
    'ETC': ExtraTreeClassifier

Ensemble

    'BC': BaggingClassifier
    'BR': BaggingRegressor
    'ADAR': AdaBoostRegressor
    'ADAC': AdaBoostClassifier

KNeighbors

    'KNC': KNeighborsClassifier
    'KNR': KNeighborsRegressor