title: Adjusting font size of axis labels in levelplot function in R
body: <p>I have matrix of 90 by 90 and I am trying to get an array correlation matrix. Using the following command:</p>
  
  <pre><code>pdf('corr.pdf')
  data &lt;- read.table("test", header=T) 
  z &lt;- cor(data)
  levelplot(z)
  dev.off() 
  </code></pre>
  
  <p>I get an image like this and my tags are getting smudged <img src="https://i.stack.imgur.com/m57bf.jpg" alt="enter image description here"></p>
  
  <p>Please give your suggestions to improve the image.</p>
  
  <p>Thank you</p>