
Chapter 4
Input and Output in R
4.1 Introduction
Reading and writing data, either on the local computer or over the Internet,
is often an important part of a computational task. In this chapter we discuss
the different ways in which R interacts with the file system and other external
resources. There are a number of functions specifically oriented toward reading
and writing from files, some specifically designed for reading formatted data
and others for a variety of other interactions. There is some fragmentation
and redundancy, and almost all tasks can be carried out using connections.
There is substantial material provided in the R Data Import/Export man ...