Created
June 7, 2020 19:56
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import pandas as pd | |
def show_results_and_save(model_pipeline, predictions): | |
df_results = predictions.select(['canceled', 'prediction']).toPandas() | |
df_results['prediction'] = df_results.prediction.apply(int) | |
# Display the results | |
_metrics = plot_metrics(df_results['canceled'], df_results['prediction']) | |
# Save the results | |
_model = model_pipeline.bestModel.stages[-1] | |
_model_name = _model.__class__.__name__ | |
_model_info = { | |
'model_name' : _model_name, | |
'hyperparameters' : list(zip(list(map(lambda _param: _param.name, list(_model.extractParamMap()))), list(_model.extractParamMap().values()))) | |
} | |
_metrics.update(_model_info) | |
_df_metrics = pd.DataFrame([_metrics]) | |
_df_metrics.to_csv(f'spark_{_model_name}.csv', index = False) |
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