Standardize

cdt15 · Dec 31, 2023 · 47cd9d0 · 47cd9d0
1 parent 267d71f
commit 47cd9d0
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lingam/utils/_f_correlation.py b/lingam/utils/_f_correlation.py
@@ -35,6 +35,10 @@ def f_correlation(x, y):
     if y_.shape[0] != n:
         raise ValueError("x and y must be the same size.")
 
+    # Standardize
+    x_ = (x_ - x_.mean()) / x_.std()
+    y_ = (y_ - y_.mean()) / y_.std()
+
     X = [x_, y_]
     m = len(X)