# trader_correl

(PECL trader >= 0.2.0)

trader_correl — Pearson's Correlation Coefficient (r)

### Description

trader_correl ( array `$real0` , array `$real1` [, int `$timePeriod` ] ) : array

### Parameters

`real0`

  Array of real values.

`real1`

  Array of real values.

`timePeriod`

  Number of period. Valid range from 2 to 100000.

### Return Values

Returns an array with calculated data or false on failure.