Php/docs/function.trader-beta
From Get docs
trader_beta
(PECL trader >= 0.2.0)
trader_beta — Beta
Description
trader_beta
( 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.