title: R : How to save first column from table as variable
body: <p>For the legend of my scatter plot in R I'd like to save the first column from my table as a variable. </p>
  
  <p>Has anyone an idea how to do that? </p>
  
  <p>I did try : </p>
  
  <pre><code>col[,1](a)-&gt;l
  </code></pre>
  
  <p>(a is the variable my table is saved as) </p>