X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fcategory.h;h=db4bb339bcb5e6ecab1bd0de98a76632dfe20f95;hb=3d161b40e72009aeca4bfc1cb8be82d05d7e6e2a;hp=40abebaa41f05cb9a31c495ad9f50f41fb01e628;hpb=41a3a550334da96a9b4e5e089ad1768acf288092;p=pspp-builds.git diff --git a/src/data/category.h b/src/data/category.h index 40abebaa..db4bb339 100644 --- a/src/data/category.h +++ b/src/data/category.h @@ -1,26 +1,23 @@ -/* PSPP - Binary encodings for categorical variables. +/* 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 2 of the - License, or (at your option) any later version. + 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. + 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 - 02110-1301, USA. */ + along with this program. If not, see . */ /* Functions and data structures to recode categorical variables into vectors and sub-rows of matrices. - + To fit many types of statistical models, it is necessary to change each value of a categorical variable to a vector with binary entries. These vectors are then stored as sub-rows within a matrix @@ -39,7 +36,7 @@ #include struct cat_vals; -struct variable ; +struct variable ; union value; void cat_stored_values_create (const struct variable *); @@ -53,6 +50,11 @@ const union value *cat_subscript_to_value (const size_t, void cat_value_update (const struct variable *, const union value *); +/* + Return the count for the sth category. +*/ +size_t +cat_get_category_count (const size_t, const struct variable *); /* Return the number of categories of a categorical variable.