title: How to change size of plot in xgboost.plot_importance?
body: <pre><code>xgboost.plot_importance(model, importance_type='gain')
  </code></pre>
  
  <p>I am not able to change size of this plot. I want to save this figure with proper size so that I can use it in pdf. I want similar like <code>figize</code></p>