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[Pspp-cvs] Changes to pspp/lib/linreg/linreg.c
From: |
Jason H Stover |
Subject: |
[Pspp-cvs] Changes to pspp/lib/linreg/linreg.c |
Date: |
Sun, 27 Nov 2005 22:17:00 -0500 |
Index: pspp/lib/linreg/linreg.c
diff -u pspp/lib/linreg/linreg.c:1.5 pspp/lib/linreg/linreg.c:1.6
--- pspp/lib/linreg/linreg.c:1.5 Sun Oct 30 15:06:18 2005
+++ pspp/lib/linreg/linreg.c Mon Nov 28 03:17:00 2005
@@ -139,6 +139,7 @@
gsl_vector_view xty;
gsl_vector_view xi;
gsl_vector_view xj;
+ gsl_vector *param_estimates;
size_t i;
size_t j;
@@ -300,6 +301,8 @@
/*
Use QR decomposition via GSL.
*/
+
+ param_estimates = gsl_vector_alloc (1 + X->size2);
design = gsl_matrix_alloc (X->size1, 1 + X->size2);
for (j = 0; j < X->size1; j++)
@@ -313,11 +316,16 @@
}
gsl_multifit_linear_workspace *wk =
gsl_multifit_linear_alloc (design->size1, design->size2);
- rc = gsl_multifit_linear (design, Y, cache->param_estimates,
+ rc = gsl_multifit_linear (design, Y, param_estimates,
cache->cov, &(cache->sse), wk);
+ for (i = 0; i < cache->n_coeffs; i++)
+ {
+ cache->coeff[i].estimate = gsl_vector_get (param_estimates, i);
+ }
if (rc == GSL_SUCCESS)
{
gsl_multifit_linear_free (wk);
+ gsl_vector_free (param_estimates);
}
else
{
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