From 4db21b6945caca571b80ade7f7a482752c50e6f6 Mon Sep 17 00:00:00 2001
From: Alejandro Moreo <alejandro.moreo@isti.cnr.it>
Date: Wed, 8 May 2024 11:31:56 +0200
Subject: [PATCH] smoothing the prevalences in kld error function, bugfix

---
 quapy/error.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/quapy/error.py b/quapy/error.py
index f2f5bd0..3e21333 100644
--- a/quapy/error.py
+++ b/quapy/error.py
@@ -158,8 +158,8 @@ def kld(prevs, prevs_hat, eps=None):
     :return: Kullback-Leibler divergence between the two distributions
     """
     eps = __check_eps(eps)
-    smooth_prevs = prevs + eps
-    smooth_prevs_hat = prevs_hat + eps
+    smooth_prevs = smooth(prevs, eps)
+    smooth_prevs_hat = smooth(prevs_hat, eps)
     return (smooth_prevs*np.log(smooth_prevs/smooth_prevs_hat)).sum(axis=-1)