trader_beta
(PECL trader >= 0.2.0)
trader_beta — Beta
説明
array trader_beta
( array $real0
, array $real1
[, integer $timePeriod
] )
パラメータ
-
real0
-
実数値の配列
-
real1
-
実数値の配列
-
timePeriod
-
Number of period. Valid range from 2 to 100000.
返り値
Returns an array with calculated data or false on failure.