my (%hashref_return_A) = correlation(\@primarys_array, \@secondarys_array);


##</code><code>##


Reference found where even-sized list expected at script.pl line 576


##</code><code>##


sub correlation {


  my ($x_ref, $y_ref) = @_;   
  

  my $lfit = Statistics::LineFit->new();
  $lfit->setData($x_ref, $y_ref);