trader_beta
(PECL trader >= 0.2.0)
trader_beta — Beta
Descrição
array trader_beta
( array
$real0
, array $real1
[, integer $timePeriod
] )
Parâmetros
-
real0 -
Array of real values.
-
real1 -
Array of real values.
-
timePeriod -
Number of period. Valid range from 2 to 100000.
Valor Retornado
Returns an array with calculated data or false on failure.