PHP - Manual: stats_absolute_deviation
2024-04-27
(PECL stats >= 1.0.0)
stats_absolute_deviation — Returns the absolute deviation of an array of values
$a
) : float
Returns the absolute deviation of the values in a
.
a
The input array
Returns the absolute deviation of the values in a
,
or FALSE
if a
is empty or is not an array.
官方地址:https://www.php.net/manual/en/function.stats-absolute-deviation.php