Merge pull request #470 from scikit-learn-contrib/369-incoherent-sign-on-mapiemetricscumulative_differences

BaptisteCalot · web-flow · commit e01731723086 · 2024-06-25T17:50:27.000+02:00
Change the sign in the equation of  C_k in the Kolmogorov-Smirnov statistical test documentation
diff --git a/HISTORY.rst b/HISTORY.rst
@@ -5,6 +5,7 @@ History
 0.8.x (2024-xx-xx)
 ------------------
 
+* Change the sign of C_k in the `Kolmogorov-Smirnov` test documentation
 * Building a training set with a fraction between 0 and 1 with `n_samples` attribute when using `split` method from `Subsample` class.
 
 0.8.6 (2024-06-14)
diff --git a/doc/theoretical_description_metrics.rst b/doc/theoretical_description_metrics.rst
@@ -195,7 +195,7 @@ and their corresponding labels :math:`y_i` and to compare its properties to that
 cumulative differences on sorted scores: 
 
 .. math::
-    C_k = \frac{1}{N}\sum_{i=1}^k (s_i - y_i)
+    C_k = \frac{1}{N}\sum_{i=1}^k (y_i - s_i)
 
 We also introduce a typical normalization scale :math:`\sigma`:
 
