From df4f25e610bc31af3ba458dce4e569bb49174745 Mon Sep 17 00:00:00 2001
From: Glenn Jocher <glenn.jocher@ultralytics.com>
Date: Thu, 25 Jul 2019 13:51:55 +0200
Subject: [PATCH] updates

---
 train.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/train.py b/train.py
index a734a6d5af..e25be48316 100644
--- a/train.py
+++ b/train.py
@@ -340,7 +340,7 @@ def print_mutation(hyp, results):
 
 
 def fitness(x):  # returns fitness of hyp evolution vectors
-    return x[:, 2] * 0.5 + x[:, 3] * 0.5  # fitness = weighted combination of mAP and F1
+    return 0.5 * x[:, 2] + 0.5 * x[:, 3]  # fitness = 0.5 * mAP + 0.5 * F1
 
 
 if __name__ == '__main__':