-struct covariance * covariance_1pass_create (size_t n_vars, const struct variable *const *vars,
- const struct variable *wv, enum mv_class excl);
+struct covariance * covariance_1pass_create (size_t n_vars, const struct variable *const *vars,
+ const struct variable *wv, enum mv_class excl, bool centered);
struct covariance *
covariance_2pass_create (size_t n_vars, const struct variable *const *vars,
struct categoricals *cats,
struct covariance *
covariance_2pass_create (size_t n_vars, const struct variable *const *vars,
struct categoricals *cats,
void covariance_accumulate (struct covariance *, const struct ccase *);
void covariance_accumulate_pass1 (struct covariance *, const struct ccase *);
void covariance_accumulate_pass2 (struct covariance *, const struct ccase *);
gsl_matrix * covariance_calculate (struct covariance *);
void covariance_accumulate (struct covariance *, const struct ccase *);
void covariance_accumulate_pass1 (struct covariance *, const struct ccase *);
void covariance_accumulate_pass2 (struct covariance *, const struct ccase *);
gsl_matrix * covariance_calculate (struct covariance *);
const struct categoricals * covariance_get_categoricals (const struct covariance *cov);
size_t covariance_dim (const struct covariance * cov);
const struct categoricals * covariance_get_categoricals (const struct covariance *cov);
size_t covariance_dim (const struct covariance * cov);