1 files changed, 35 insertions, 0 deletions
diff --git a/2.3-1/src/c/statisticsFunctions/variancef/dvariancefa.c b/2.3-1/src/c/statisticsFunctions/variancef/dvariancefa.c
new file mode 100644
index 00000000..32bd38ca
--- /dev/null
+++ b/2.3-1/src/c/statisticsFunctions/variancef/dvariancefa.c
@@ -0,0 +1,35 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - INRIA - Allan SIMON
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+
+#include "variancef.h" 
+
+double	dvariancefa(double *in1, int size , double * in2)
+{
+  int i = 0 ;
+  double temp = 0.0;
+  double accumulate = 0.0 ;
+  double accumulateFre = 0.0 ;
+
+  double meanf = dmeanfa (in1 , size , in2);
+
+  for(i = 0 ; i < size ; ++i)
+    {
+     temp = dpows (  (in1[i]  - meanf ) ,2 );
+     temp *= in2[i];
+
+     accumulate += temp ;
+     accumulateFre += in2[i];
+    }
+
+  return accumulate / (accumulateFre -1);
+}
+