glm.q: Removed code to us QR decomposition, which requires the entire data

[pspp-builds.git] / src / math / design-matrix.h

diff --git a/src/math/design-matrix.h b/src/math/design-matrix.h
index ad2b82585229c3d9c52d119865f7dfe76e2d9bd3..01026a22f57216f34b19adb716f954230673cf69 100644 (file)
--- a/src/math/design-matrix.h
+++ b/src/math/design-matrix.h
@@ -58,6 +58,9 @@ struct design_matrix
                                           design_matrix_var
                                           structure.
                                         */
+  size_t *n_cases; /* Element i is the number of valid cases for this
+                     variable.
+                   */
   size_t n_vars;
 };
 
@@ -75,10 +78,16 @@ void design_matrix_set_numeric (struct design_matrix *, size_t,
                                    const struct variable *,
                                    const union value *);
 
+struct design_matrix *design_matrix_clone (const struct design_matrix *);
+
 size_t design_matrix_var_to_column (const struct design_matrix *,
                                    const struct variable *);
 
 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);
 
+void design_matrix_get_case_count (struct design_matrix *, const struct variable *);
 #endif