stats_stat_correlation

(PECL stats >= 1.0.0)

stats_stat_correlation — Returns the Pearson correlation coefficient of two data sets

说明

stats_stat_correlation(array $arr1, array $arr2): float

Returns the Pearson correlation coefficient between arr1 and arr2.

参数

arr1

The first array

arr2

The second array

返回值

Returns the Pearson correlation coefficient between arr1 and arr2, or false on failure.