R Tutorials and Help

General Useful Information

• Summary of Useful R commands by Elizabeth Purdom. Also limited version in pdf.
• Saving/Moving R Objects; Libraries by Elizabeth Purdom
• Writing Functions by Elizabeth Purdom (Rmarkdown available here)
• Other useful webpages

Writing A Package: I strongly suggest you look at the tools available in `devtools` and RStudio and that you use Roxygen for writing your documentation files.

• Building and Maintaining R Packages with devtools and roxygen2
• Developing Packages with RStudio
• R Packages by Hadley Wickham

Coding Tips

• FasteR! HigheR! StrongeR! - A Guide to Speeding Up R Code for Busy People

• General Introductions by Elizabeth Purdom:
• Short Version--Barebones of R objects, Plotting, etc.
• More Advanced -- Includes information regarding writing functions, more about R objects
• Most Complete (except for exercises!) -- More advanced plotting examples and techniques, basic statistical techniques
• Introduction to R/SPLUS; Bootstrap Calculations; Programming & Debugging by Noureddine El Karoui and Pei Wang
• A Note on Frequency Tables by Elizabeth Purdom
• Probability Calculations by Debashis Paul and updated by Elizabeth Purdom
• Test/Power Calculations by Debashis Paul and updated by Claire Lunch
• ANOVA by Elizabeth Purdom
• Regression by Debashis Paul and Elizabeth Purdom

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