[Pspp-cvs] pspp/src/language/stats regression.q ChangeLog

[Jason H Stover]

CVSROOT:        /sources/pspp
Module name:    pspp
Changes by:     Jason H Stover <jstover>        07/02/04 16:38:26

Modified files:
        src/language/stats: regression.q ChangeLog 

Log message:
        fixed p-value computation in test of coefficients

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/pspp/src/language/stats/regression.q?cvsroot=pspp&r1=1.43&r2=1.44
http://cvs.savannah.gnu.org/viewcvs/pspp/src/language/stats/ChangeLog?cvsroot=pspp&r1=1.42&r2=1.43

Patches:
Index: regression.q
===================================================================
RCS file: /sources/pspp/pspp/src/language/stats/regression.q,v
retrieving revision 1.43
retrieving revision 1.44
diff -u -b -r1.43 -r1.44
--- regression.q        23 Dec 2006 06:11:33 -0000      1.43
+++ regression.q        4 Feb 2007 16:38:26 -0000       1.44
@@ -269,7 +269,7 @@
       /*
          P values for the test statistic above.
        */
-      pval = 2 * gsl_cdf_tdist_Q (fabs (t_stat), 1.0);
+      pval = 2 * gsl_cdf_tdist_Q (fabs (t_stat), (double) (c->n_obs - 
c->n_coeffs));
       tab_float (t, 6, j + 1, 0, pval, 10, 2);
     }
   tab_title (t, _("Coefficients"));

Index: ChangeLog
===================================================================
RCS file: /sources/pspp/pspp/src/language/stats/ChangeLog,v
retrieving revision 1.42
retrieving revision 1.43
diff -u -b -r1.42 -r1.43
--- ChangeLog   16 Jan 2007 15:30:28 -0000      1.42
+++ ChangeLog   4 Feb 2007 16:38:26 -0000       1.43
@@ -1,3 +1,8 @@
+2007-02-04  Jason Stover  <address@hidden>
+
+       * regression.q: Fixed p-value computation in the test for
+       individual regression coefficients.
+
 Mon Jan 15 11:03:20 2007  Ben Pfaff  <address@hidden>
 
        Fix bugs found by valgrind when --enable-debug is used with the