test for chi2 special case

Add test for chi squared distance special case, with both bins == 0.
2025-10-20 05:54:41 +08:00 · 2014-10-19 18:35:42 -04:00
parent f510cbd899
commit 5d7e4d3b79
1 changed files with 5 additions and 0 deletions
--- a/stat_test.go
+++ b/stat_test.go
@@ -570,6 +570,11 @@ func TestChiSquare(t *testing.T) {
 			q:   []float64{50, 50, 50, 50},
 			res: 12.5,
 		},
+		{
+			p:   []float64{40, 60, 30, 45, 0, 0},
+			q:   []float64{50, 50, 50, 50, 0, 0},
+			res: 12.5,
+		},
 	} {
 		resultpq := ChiSquare(test.p, test.q)