title: Reusing a Model Built in R
body: <p>When building a model in R, how do you save the model specifications such that you can reuse it on new data?  Let's say I build a logistic regression on historical data but won't have new observations until next month.  What's the best approach?</p>
  
  <p>Things that I have considered:</p>
  
  <ul>
  <li>Saving the model object and loading in a new session</li>
  <li>I know that some models can be exported with PMML, but haven't really seen anything about importing PMML</li>
  </ul>
  
  <p>Simply, I am trying to get a sense of what you do when you need to use your model in a new session.</p>
  
  <p>Thanks in advance.</p>