title: Create new row to data set based existing ones SAS
body: <p>I have a dataset looking something like this:</p>
  
  <pre><code>var1 var2   count 
  cat1    no     1
  cat1    yes    4
  cat1    unkown 3
  cat2    no     7
  cat2    yes    3
  cat2    unkown 5
  cat3    no     2
  cat3    yes    9
  cat3    unkown 0
  </code></pre>
  
  <p>What I want to do is combine var1 &amp; var2 into new variable where first row is from var1 and the others from var2. So it supposed to look like:</p>
  
  <pre><code>comb   count 
  cat1    
  no     1
  yes    4
  unkown 3
  cat2
  no     7    
  yes    3
  unkown 5
  cat3    
  no     2
  yes    9
  unkown 0
  </code></pre>
  
  <p>Any help would be highly appreciated! </p>