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MIPLearn/miplearn/components/__init__.py

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1.4 KiB

# MIPLearn: Extensible Framework for Learning-Enhanced Mixed-Integer Optimization
# Copyright (C) 2020, UChicago Argonne, LLC. All rights reserved.
# Released under the modified BSD license. See COPYING.md for more details.
from typing import Dict
def classifier_evaluation_dict(tp: int, tn: int, fp: int, fn: int) -> Dict:
p = tp + fn
n = fp + tn
d: Dict = {
"Predicted positive": fp + tp,
"Predicted negative": fn + tn,
"Condition positive": p,
"Condition negative": n,
"True positive": tp,
"True negative": tn,
"False positive": fp,
"False negative": fn,
"Accuracy": (tp + tn) / (p + n),
"F1 score": (2 * tp) / (2 * tp + fp + fn),
}
if p > 0:
d["Recall"] = tp / p
else:
d["Recall"] = 1.0
if tp + fp > 0:
d["Precision"] = tp / (tp + fp)
else:
d["Precision"] = 1.0
t = (p + n) / 100.0
d["Predicted positive (%)"] = d["Predicted positive"] / t
d["Predicted negative (%)"] = d["Predicted negative"] / t
d["Condition positive (%)"] = d["Condition positive"] / t
d["Condition negative (%)"] = d["Condition negative"] / t
d["True positive (%)"] = d["True positive"] / t
d["True negative (%)"] = d["True negative"] / t
d["False positive (%)"] = d["False positive"] / t
d["False negative (%)"] = d["False negative"] / t
return d