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Update betacal.py #1

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4e1d09a
Update betacal.py
Parth-Maheshwari Apr 4, 2024
8b8224e
returning dictionary of losses before and after calibration
Parth-Maheshwari Apr 21, 2024
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4 changes: 2 additions & 2 deletions src/spark_calibration/betacal.py
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Original file line number Diff line number Diff line change
Expand Up @@ -80,10 +80,10 @@ def pick_value(v):
"score2", -1 * F.log("score2")
)

if self.a == 0:
if self.a == 0 or self.a == "0":
featurizer = VectorAssembler(inputCols=["score2"], outputCol="features")

elif self.b == 0:
elif self.b == 0 or self.b == "0":
featurizer = VectorAssembler(inputCols=["score"], outputCol="features")

else:
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10 changes: 10 additions & 0 deletions src/spark_calibration/metrics.py
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Expand Up @@ -65,3 +65,13 @@ def display_classification_calib_metrics(df: DataFrame):
print(f"model roc_auc: {model_roc_auc}")
print(f"calibrated model roc_auc: {iso_roc_auc}")
print(f"delta: {round((iso_roc_auc/model_roc_auc - 1) * 100, 2)}%")
return {
"model brier score loss": model_bs,
"calibrated model brier score loss": iso_bs,
"model log loss": model_ll,
"calibrated model log loss": iso_ll,
"model auc pr": model_aucpr,
"calibrated model auc pr": iso_aucpr,
"model roc auc": model_roc_auc,
"calibrated model roc auc": iso_roc_auc,
}