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package Catmandu::Fix::stat_mean;
use Catmandu::Sane;
use Moo;
use Catmandu::Fix::Has;
use Statistics::Basic;
has path => (fix_arg => 1);
with 'Catmandu::Fix::SimpleGetValue';
sub emit_value {
my ($self, $var) = @_;
"${var} = Statistics::Basic::mean(${var}) if is_array_ref(${var});";
}
=head1 NAME
Catmandu::Fix::stat_mean - calculate the mean of an array
=head1 SYNOPSIS
# Calculate the mean of foo. E.g. foo => [1,2,3,4]
stat_mean(foo) # foo => '2.5'
=head1 SEE ALSO
L<Catmandu::Fix>
=cut
1;
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