union value ;
-struct categoricals *categoricals_create (struct interaction *const *, size_t n_int,
+struct categoricals *categoricals_create (struct interaction *const*, size_t n_int,
const struct variable *wv, enum mv_class dep_excl,
enum mv_class fctr_excl);
void categoricals_set_payload (struct categoricals *cats, const struct payload *p, const void *aux1, void *aux2);
+bool categoricals_isbalanced (const struct categoricals *cat);
#endif