title: How to track a progress while building model with the caret package?
body: <p>I am trying to build model using train function from caret package:</p>
  
  <pre><code> model &lt;- train(training$class ~ .,data=training, method = "nb")
  </code></pre>
  
  <p>Training set contains about 20K observations, each observation has above 100 variables. I would like to know if building a model from that dataset will take hours or days.</p>
  
  <p>How to estimate time needed to train model from data? How track a progress of training process when using functions from caret package?</p>