trader_var
(PECL trader >= 0.2.0)
trader_var — Variance
Beschreibung
$real
, int $timePeriod
= ?, float $nbDev
= ?): array
Parameter-Liste
-
real
-
Array of real values.
-
timePeriod
-
Number of period. Valid range from 2 to 100000.
-
nbDev
-
Rückgabewerte
Returns an array with calculated data or false on failure.