class: center, middle, inverse, title-slide # Machine learning ## <br><br> Introduction to Data Science ### <a href="https://introds.org/">introds.org</a> ### <br> Dr. Mine Çetinkaya-Rundel --- layout: true <div class="my-footer"> <span> <a href="https://introds.org" target="_blank">introds.org</a> </span> </div> --- ## Machine learning models for text data <img src="img/unnamed-chunk-5-1.png" width="60%" style="display: block; margin: auto;" /> --- ## Overview - Fit a classification model - Cross validate - See if we can do better with hyperparameter tuning - Predict! - Discuss shortcomings of our implementation