anchor.diff:  <%= @export_formatter.format_domains.join("\n") %>
   run;
   
  +
   /* Step 5: Output summary of dataset */
   
   proc contents data=myapnea;
  
positive.code:   if (a='0A'x or a='0D'x) and open then put '00'x @;
    else put a $char1. @;
  run;
  
  /* Step 1: Import data into myapnea work library */
  
  
negative.code: run;
  
  
  /* Step 2: Apply labels to columns */
  
  data myapnea;
  