X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Fmath%2Fmoments.c;h=83cbbe4ca1fb3e4c2d4e2a6497ed84ced68b0c31;hb=refs%2Fbuilds%2F20121208032040%2Fpspp;hp=545c9644399a9501765455cfc99505be30e8d460;hpb=b9c33df5fb3e621c641045ac90c211d33e2bf983;p=pspp
diff --git a/src/math/moments.c b/src/math/moments.c
index 545c964439..83cbbe4ca1 100644
--- a/src/math/moments.c
+++ b/src/math/moments.c
@@ -1,5 +1,5 @@
/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2010 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2010, 2011 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -15,15 +15,18 @@
along with this program. If not, see . */
#include
-#include "moments.h"
+
+#include "math/moments.h"
+
#include
#include
#include
-#include
-#include
-#include
-#include "xalloc.h"
+#include "data/val-type.h"
+#include "data/value.h"
+#include "libpspp/misc.h"
+
+#include "gl/xalloc.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
@@ -458,6 +461,13 @@ moments1_destroy (struct moments1 *m)
free (m);
}
+
+double
+calc_semean (double var, double W)
+{
+ return sqrt (var / W);
+}
+
/* Returns the standard error of the skewness for the given total
weight W.