<p>Once we get a new dataset, we would like to see how the dataset is composed of, such as # of records and # of features, missing dataset, outliers, and correlation between variables and against response. For part 1 we will cover followings;</p><ol><li>Data types</li><li>Quick summary for each data</li><li>Feature elimination, rename, reorder</li><li>Drop duplicates and missings</li></ol>