Global symbol "%specifications" requires explicit package name at correlations.pl line 162.



##</code><code>##


sub Diseases_of_concern {

  my $number_of_replicates = @_;

  my %specification = (
		    'Disease A' => 'SC',
		    'Central_comparisons' => 
					       { 'Primary' => 'S',            # x axis
						 'Secondary' => 'SC'}  # y axis
					     ,
		    'Diseases to run against controls'  => 
					       { 'First' => 'S',            
						 'Second' => 'SC'}  
					      ,
		    'Controls' => 
				     { 'A' => 'D',  				       'B' => 'LC',
				       'C' => 'COPD',
				       'D' => 'CHD'
				     }
				   
		   );

  my $x_axis_label =  %specifications{'Central_comparisons'}{'Primary'};   #  Error specific to this line
  my $y_axis_label =  %specifications{'Central_comparisons'}{'Secondary'};  #  also this one