27 posts with this tag
In this second tutorial I am doing with Mauricio Vargas Sepúlveda, we will demonstrate some of the many options the ggplot2 package has for creating and customising area plots. We will use the same dataset from the first post. If you enjoyed this …
I recently needed to install the XLConnect package in R, which has the dependency rJava. Unfortunately rJava is one of those R packages which is a real pain to install and required a bit of fiddling. I'll talk you through how I installed it in OS X …
I teamed up with Mauricio Vargas Sepúlveda about a year ago to create some graphing tutorials in R. On this blog you will find a series of tutorials on how to use the ggplot2 package to create beautiful and informative data visualisations. Each …
Choosing the right linear regression model for your data can be an overwhelming venture, especially when you have a large number of available predictors. Luckily R has a wide array of in-built and user-written tools to make this process easier. In …
Coming from a psychology background, I have a soft spot for multiple linear regression. This method is a workhorse in statistics and machine learning, being flexible, powerful and easily interpretable. An issue that people new to multiple regression …