some updates

FalseNegativeLab · Nov 21, 2024 · 4011709 · 4011709
1 parent 26b5168
commit 4011709
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Showing 14 changed files with 8,707 additions and 958 deletions.
diff --git a/mlscorecheck/auc/12-exponential-p-norm-illustration.ipynb b/mlscorecheck/auc/12-exponential-p-norm-illustration.ipynb
@@ -0,0 +1,18 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "language_info": {
+   "name": "python"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
diff --git a/mlscorecheck/auc/_acc_single.py b/mlscorecheck/auc/_acc_single.py
@@ -179,7 +179,10 @@ def macc_min(auc, p, n):
         float: the accuracy
     """
     if auc >= 1 - min(p, n) / (2 * max(p, n)):
-        return 1 - (np.sqrt(2 * p * n - 2 * auc * p * n)) / (p + n)
+        tmp = 2 * p * n - 2 * auc * p * n
+        if np.abs(tmp) < 1e-8:
+            tmp = 0
+        return 1 - (np.sqrt(tmp)) / (p + n)
 
     return max(p, n) / (p + n)