Update empirical.py

sktime · Sep 10, 2023 · 92a89fc · 92a89fc
1 parent 54a73a1
commit 92a89fc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/skpro/distributions/empirical.py b/skpro/distributions/empirical.py
@@ -367,7 +367,7 @@ def _energy_np(spl, x=None, weights=None, assume_sorted=False):
 
     if x is None:
         cum_fwd = np.cumsum(weights[:-1])
-        cum_back = np.cumsum(weights[1::-1])[::-1]
+        cum_back = np.cumsum(weights[1:][::-1])[::-1]
         energy = 2 * np.sum(cum_fwd * cum_back * spl_diff)
     else:
         spl_diff = np.abs(spl - x)