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reshape2 Example
A brief example of using Hadley Wickham's reshape2 package, with its melt and cast functions.
mtcars analysis
Some sandbox analysis of the mtcars dataset that is built into R, specifically in the context of building linear regression models
logistic_regression_example
A very simple example of logistic regression in R.
R Programming Lecture Notes, Week 3
Notes on lectures for week 3 in Johns Hopkiins/Coursera course R Programming