fix: sometimes avg needs to handle 0s

trifle-io · May 9, 2024 · f1b6b1d · f1b6b1d
1 parent 9611f20
commit f1b6b1d
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/lib/trifle/stats/aggregator/avg.rb b/lib/trifle/stats/aggregator/avg.rb
@@ -16,7 +16,10 @@ def aggregate(series:, path:, slices: 1)
 
         def sliced(result:, slices:)
           result[(result.count - (result.count / slices * slices))..].each_slice(result.count / slices).map do |slice|
-            slice.compact.sum / slice.compact.count
+            sum = slice.compact.sum
+            count = slice.compact.count
+
+            count.zero? ? 0 : sum / count
           end
         end
       end