title: Replace the label on a frequency plots
body: <p>I plotted a frequency table of a variable gender which is coded like this : female :2, male: 3.</p>
  
  <p>In the plot, I see 2 and 3, but I'd like to put "Female" and "Male, without changing the value in the data.frame, because it would take more place.</p>
  
  <p>How can I do that?</p>
  
  <p><code>plot(table4, main="Frequency table",xlab= "Gender", ylab="Country" )</code></p>
  
  <p><img src="https://i.stack.imgur.com/FYrgX.png" alt="enter image description here"></p>