stats_absolute_deviation
(PECL stats >= 1.0.0)
stats_absolute_deviation — Returns the absolute deviation of an array of values
说明
stats_absolute_deviation (
array
$a
) :
float
Returns the absolute deviation of the values in a
.
参数
-
a
-
The input array
返回值
Returns the absolute deviation of the values in a
, or FALSE
if a
is empty or is not an array.