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missing-values: Make mv_add_str() easier to use.
[pspp]
/
src
/
math
/
linreg.c
diff --git
a/src/math/linreg.c
b/src/math/linreg.c
index be43735785b4d2aad74595c6450e19f352fbb3f2..147ff272cd54a4fee2e8bcb7aa83da3bea2baf05 100644
(file)
--- a/
src/math/linreg.c
+++ b/
src/math/linreg.c
@@
-247,7
+247,7
@@
linreg_residual (const linreg *c, double obs, const double *vals, size_t n_vals)
/*
Mean of the independent variable.
*/
/*
Mean of the independent variable.
*/
-double linreg_get_indep_variable_mean (linreg *c, size_t j)
+double linreg_get_indep_variable_mean (
const
linreg *c, size_t j)
{
assert (c != NULL);
return gsl_vector_get (c->indep_means, j);
{
assert (c != NULL);
return gsl_vector_get (c->indep_means, j);
@@
-390,7
+390,7
@@
double linreg_intercept (const linreg *c)
return c->intercept;
}
return c->intercept;
}
-gsl_matrix *
+
const
gsl_matrix *
linreg_cov (const linreg *c)
{
return c->cov;
linreg_cov (const linreg *c)
{
return c->cov;
@@
-450,7
+450,7
@@
linreg_set_depvar_mean (linreg *c, double x)
}
double
}
double
-linreg_get_depvar_mean (linreg *c)
+linreg_get_depvar_mean (
const
linreg *c)
{
return c->depvar_mean;
}
{
return c->depvar_mean;
}