From 5f216b9408604beab1faeda95937abe87c0421b1 Mon Sep 17 00:00:00 2001
From: tomrink <rink@ssec.wisc.edu>
Date: Tue, 19 Mar 2024 10:32:01 -0500
Subject: [PATCH] snapshot...

---
 modules/icing/pirep_goes.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index dd86957e..3083dcc7 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -946,7 +946,7 @@ def analyze2(filename, filename_l1b):
     precision = tp / (tp + fp)
     f1 = 2 * (precision * recall) / (precision + recall)
     mcc = ((tp * tn) - (fp * fn)) / np.sqrt((tp + fp) * (tp + fn) * (tn + fp) * (tn + fn))
-    acc = (tp + tn) / num_obs
+    acc = (tp + tn) / (tp + tn + fp + fn)
 
     print('Total (Positive/Icing Prediction: ')
     print('True icing:                         ', np.sum(true_ice))
-- 
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