Reference

Catmandu::Fix::stat_stddev(3pm)

calculate the standard deviation of an array

NAME

Catmandu::Fix::stat_mean - calculate the standard deviation of an array

SYNOPSIS

   # Calculate the standard deviation of foo. E.g. foo => [1,2,3,4]
   stat_stddev(foo)  # foo => '1.12'

SEE ALSO

Catmandu::Fix