# R Tips: lots of tips for R programming

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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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