const struct linreg *, const struct linreg *,
const gsl_matrix *, const struct variable *);
static void reg_stats_anova (const struct linreg *, const struct variable *);
static void reg_stats_bcov (const struct linreg *, const struct variable *);
const struct linreg *, const struct linreg *,
const gsl_matrix *, const struct variable *);
static void reg_stats_anova (const struct linreg *, const struct variable *);
static void reg_stats_bcov (const struct linreg *, const struct variable *);