X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Flinreg%2Flinreg.c;h=9ba84f60ece9d8c3991be31cce09766129e886ef;hb=02c766f3f1ff964f0d4fa4849f1a55e193afa48d;hp=f4eea028dfdf1e228364e78f5af96cb10df188de;hpb=9105b67fe006fe41c044e3659325594a52d0c899;p=pspp diff --git a/src/math/linreg/linreg.c b/src/math/linreg/linreg.c index f4eea028df..9ba84f60ec 100644 --- a/src/math/linreg/linreg.c +++ b/src/math/linreg/linreg.c @@ -1,22 +1,18 @@ -/* - lib/linreg/linreg.c - - Copyright (C) 2005 Free Software Foundation, Inc. Written by Jason H. Stover. - - 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 the Free - Software Foundation; either version 2 of the License, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., 51 - Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA. - */ +/* PSPP - a program for statistical analysis. + Copyright (C) 2005 Free Software Foundation, Inc. Written by Jason H. Stover. + + 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 + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ #include #include @@ -95,7 +91,7 @@ linreg_mean_std (gsl_vector_const_view v, double *mp, double *sp, double *ssp) The return value is the number of distinct variables found. */ int -pspp_linreg_get_vars (const void *c_, struct variable **v) +pspp_linreg_get_vars (const void *c_, const struct variable **v) { const pspp_linreg_cache *c = c_; struct pspp_coeff *coef = NULL; @@ -114,7 +110,7 @@ pspp_linreg_get_vars (const void *c_, struct variable **v) /* Start at c->coeff[1] to avoid the intercept. */ - v[result] = (struct variable *) pspp_coeff_get_var (c->coeff[1], 0); + v[result] = pspp_coeff_get_var (c->coeff[1], 0); result = (v[result] == NULL) ? 0 : 1; for (coef = c->coeff[2]; coef < c->coeff[c->n_coeffs]; coef++) @@ -130,7 +126,7 @@ pspp_linreg_get_vars (const void *c_, struct variable **v) } if (i < 0 && result < c->n_coeffs) { - v[result] = (struct variable *) tmp; + v[result] = tmp; result++; } } @@ -152,10 +148,10 @@ pspp_linreg_cache_alloc (size_t n, size_t p) c->indep_means = gsl_vector_alloc (p); c->indep_std = gsl_vector_alloc (p); c->ssx = gsl_vector_alloc (p); /* Sums of squares for the - independent variables. + independent variables. */ c->ss_indeps = gsl_vector_alloc (p); /* Sums of squares for the - model parameters. + model parameters. */ c->cov = gsl_matrix_alloc (p + 1, p + 1); /* Covariance matrix. */ c->n_obs = n; @@ -249,7 +245,7 @@ pspp_linreg (const gsl_vector * Y, const gsl_matrix * X, cache->dfm = cache->n_indeps; cache->dfe = cache->dft - cache->dfm; cache->n_coeffs = X->size2 + 1; /* Adjust this later to allow for - regression through the origin. + regression through the origin. */ if (cache->method == PSPP_LINREG_SWEEP) {