HH\Lib\Math\mean
Requires the Hack Standard Library to be installed.
Facebook Engineer?
This function is available as Math\mean() in Facebook's www repository.
Returns the arithmetic mean of the numbers in the given container
namespace HH\Lib\Math;
function mean(
Container<num> $numbers,
): ?float;
- To find the sum, see
Math\sum(). - To find the maximum, see
Math\max(). - To find the minimum, see
Math\min().
Parameters
Returns
?float