File Coverage

blib/lib/AI/NeuralNet/FastSOM.pm

Criterion	Covered	Total	%
statement	19	20	95.0
branch	4	4	100.0
condition			n/a
subroutine	6	7	85.7
pod	0	4	0.0
total	29	35	82.8

package AI::NeuralNet::FastSOM;

use strict;
use warnings;
use XSLoader;

our $VERSION = '0.18';

sub new { die 'Dont use this class directly' }

sub label {
	my ($self, $x, $y, $l) = @_;
	return defined $l
		? $self->{labels}->[$x]->[$y] = $l
		: $self->{labels}->[$x]->[$y];
}

sub value {
	my ($self, $x, $y, $v) = @_;
	return defined $v
		? $self->{map}[$x][$y] = $v
		: $self->{map}[$x][$y];
}

sub mean_error {
    my $self = shift;
    my $error = 0;
    map { $error += $_ }                    # then add them all up
        map { ( $self->bmu($_) )[2] }       # then find the distance
           @_;                              # take all data vectors
    return ($error / scalar @_);            # return the mean value
}

XSLoader::load(__PACKAGE__);

1;

__END__