title: Remove column from stacked bar plot
body: <pre><code>df4
    Year Jan Feb  Mar  Apr  May  Jun  Jul  Aug  Sep  Oct Nov Dec
  1 2011 742 796 1210 1376 1885 1824 1943 1933 1321 1013 816 785
  2 2012 902 879 1227 1232 1650 1843 2015 1930 1143 1065 826 785
  3 2013 763 725  990 1360 1581 1579 1999 1821 1229  940 709 679
  4 2014 785 717 1062 1294 1682 1806 1962 1845 1280 1001 673 785
  5 2015 739 730 1160 1344 1663 1927 2184 1855   NA   NA  NA  NA
  
  barplot(as.matrix(df4))
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/F1RhH.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/F1RhH.png" alt="enter image description here"></a></p>
  
  <p>I get this stacked bar plot but I don't want "Year" to be another bar, I want "Year" to be erased, so that Jan bar starts first, can anyone help me?</p>