Table of Contents

Downloading R and Setting R Up in a File System The R Prompt Assignments and Operators Modes of Objects The Classes and Types Packaged Functions User Defined Functions How to Use a Function Inputting or Creating Data Outputting Data and Output Manipulating Objects Flow Conditioners Condition Based Functions Some Examples of Conditioning Some Common Functions The Packages base, stats, and graphics Tricks of the Trade

About the Author

Margot Tollefson is a self-employed consulting statistician residing in the tiny town of Stratford in the corn and soybean fields of north-central Iowa.She started using the S-Plus language in the early 1990s and was happy to switch to R about ten years ago. Margot enjoys writing her own functions in R - to do plots and simulations, as well as to implement custom modeling and use published statistical methods. She earned her graduate degrees in statistics from Iowa State University in Ames, Iowa.