design_matrix_var
structure.
*/
+ size_t *n_cases; /* Element i is the number of valid cases for this
+ variable.
+ */
size_t n_vars;
};
const struct variable *design_matrix_col_to_var (const struct design_matrix *,
size_t);
+void design_matrix_increment_case_count (struct design_matrix *, const struct variable *);
+void design_matrix_set_case_count (struct design_matrix *, const struct variable *, size_t);
+
+size_t design_matrix_get_case_count (const struct design_matrix *, const struct variable *);
#endif