R Tips: lots of tips for R programming

April 26, 2012

(This article was first published on RDataMining, and kindly contributed to R-bloggers)

by Yanchang Zhao, RDataMining.com

There are more than 100 R tips at http://pj.freefaculty.org/R/Rtips.html, which provide quick examples to small challenges in everyday R programming, especially for users switching from other languages to R. There is also a .PDF version for it at http://pj.freefaculty.org/R/Rtips.pdf.

It presents short examples on:
- Data Input/Output
- Working with data frames: Recoding, selecting, aggregating
- Matrices and vector operations
- Applying functions, tapply, etc
- Graphing
- Common Statistical Chores
- Model Fitting (Regression-type things)
- Packages
- Misc. web resources
- R workspace
- Interface with the operating system
- Stupid R tricks: basics you can’t live without
- Misc R usages I find interesting.

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