Statistical Programming with SAS/IML Software

Chapter 11

Calling Functions in the R Language

Contents

11.1   Overview of Calling Functions in the R Language

11.2   Introduction to the R Language

11.3   Calling R Functions from IMLPlus

11.4   Data Frames and Matrices: Passing Data to R

11.4.1   Transferring SAS Data to R

11.4.2   What Happens to the Data Attributes?

11.4.3   Transferring Data from R to SAS Software

11.5   Importing Complicated R Objects

11.6   Handling Missing Values

11.6.1   R Functions and Missing Values

11.6.2   Merging R Results with Data That Contain Missing Values

11.7   Calling R Packages

11.7.1   Installing a Package

11.7.2   Calling Functions in a Package

11.8   Case Study: Optimizing a Smoothing Parameter

11.8.1   Computing a Loess Smoother in R

11.8.2