This extra demonstrates two useful tools for handling missing data in statistical models.
This extra shows you an easy way to split up your loops over multiple cores on your computer to run in “parallel” and speed up large or long-running loops.
Regression Tables with stargazer
The stargazer package makes it easy to create publication quality regression tables in html or LateX.
Scatterplot Matrices With GGally
The GGally package provides a function for creating scatterplot matrices. A scatterplot matrix arranges multiple scatterplots on a grid so that they are easy to compare to one another.
Predictive Modeling with caret
The caret package provides a consistent framework for fitting hundreds of different types of predictive models, then comparing them to select the most effective models using out of sample accuracy.