From 9d38d2b044cc2e3641c60c01b3af038cd4f8d7c3 Mon Sep 17 00:00:00 2001
From: Glenn Jocher <glenn.jocher@ultralytics.com>
Date: Sun, 18 Jun 2023 03:07:45 +0200
Subject: [PATCH] Fix Classify confusion matrix (#3241)

---
 ultralytics/yolo/utils/metrics.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ultralytics/yolo/utils/metrics.py b/ultralytics/yolo/utils/metrics.py
index 8544adf512..cd903213fe 100644
--- a/ultralytics/yolo/utils/metrics.py
+++ b/ultralytics/yolo/utils/metrics.py
@@ -204,7 +204,7 @@ class ConfusionMatrix:
         """
         preds, targets = torch.cat(preds)[:, 0], torch.cat(targets)
         for p, t in zip(preds.cpu().numpy(), targets.cpu().numpy()):
-            self.matrix[t][p] += 1
+            self.matrix[p][t] += 1
 
     def process_batch(self, detections, labels):
         """