AMD cohen's d

christianbrodbeck · Oct 18, 2021 · b5f3f22 · b5f3f22
1 parent e4266bb
commit b5f3f22
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/eelbrain/_stats/test.py b/eelbrain/_stats/test.py
@@ -638,7 +638,7 @@ def __init__(
         if popmean:
             v = v - popmean
         t = stats.t_1samp(v)[0]
-        TTest.__init__(self, v.mean(), t, n - 1, tail, ct.y.std())
+        TTest.__init__(self, v.mean(), t, n - 1, tail, ct.y.std(ddof=1))
 
     def __repr__(self):
         cmp = '=><'[self.tail]
@@ -936,7 +936,7 @@ def __init__(
         self.c0_mean = y0.mean()
         self.difference = y1 - y0
         t = stats.t_1samp(self.difference.x[:, None])[0]
-        TTest.__init__(self, self.difference.x.mean(), t, n - 1, tail, self.difference.std())
+        TTest.__init__(self, self.difference.x.mean(), t, n - 1, tail, self.difference.std(ddof=1))
         self._match = dataobj_repr(match, True)
 
     def __repr__(self):