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t/02-noisy.t  view on Meta::CPAN

# Test on rest of data, get at least 80%
print "Testing on remainder of data\n";
my ($good, $bad) = (0,0);
while (<DATA>) {
  chomp;
  my @values = split /, /, $_;
  my $result = pop @values;
  my %pairs = map {$names[$_], $values[$_]} 0..$#names;

  my ($guess, $confidence) = $dtree->get_result(attributes => \%pairs);
  $guess ||= '';  $confidence ||= '';
  ($guess eq $result ? $good : $bad)++;
  
  #print "$guess : $result : $confidence\n";
}
my $accuracy = $good/($good + $bad);
ok $accuracy > .8;
print "Accuracy=$accuracy\n";

#use YAML; print Dump($dtree->rule_tree);
#print map "$_\n", $dtree->rule_statements;

if (eval "use GraphViz; 1") {
  my $graphviz = $dtree->as_graphviz;