title: insert new line to the top of table r
body: <p>I've these two tables: </p>
  
  <pre><code>1003 1 0 0 2 0 0 0 0 0 0 0 0 0 
  1003 2 0 0 1 0 0 0 0 0 0 0 0 0 
  1003 3 2 1 2 2 1 2 1 2 0 0 0 0 
  1003 4 2 1 1 2 1 1 1 1 0 0 1 1
  </code></pre>
  
  <p>and</p>
  
  <pre><code>snp1 1
  snp2 2
  snp3 3
  snp4 4
  </code></pre>
  
  <p>and I want to add using R the first column of the second table as line in the top of the first table:</p>
  
  <pre><code>snp1 snp2 snp3 snp4
  1003 1 0 0 2 0 0 0 0 0 0 0 0 0 
  1003 2 0 0 1 0 0 0 0 0 0 0 0 0 
  1003 3 2 1 2 2 1 2 1 2 0 0 0 0 
  1003 4 2 1 1 2 1 1 1 1 0 0 1 1
  </code></pre>
  
  <p>Please help, thank you a lot.</p>