stats_covariance
(PECL stats:1.0.0-1.0.2)
stats_covariance — Computes the covariance of two data sets
설명
float stats_covariance
( array $a
, array $b
)
Warning
This function is currently not documented; only the argument list is available.
매개변수
- a
-
- b
-
반환값