Using R and RStudio for Data Management, Statistical Analysis, and Graphics, 2nd Edition

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“K23166” — 2015/1/28 — 9:35 — page 1 — #27

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Chapter 1

Data input and output

This chapter reviews data input and output, including reading and writing files in spread-

sheet, ASCII file, native, and foreign formats.

1.1 Input

R provides comprehensive support for data input and output. In this section we address

aspects of these tasks. Datasets are organized in dataframes (A.4.6), or connected series

of rectangular arrays, which can be saved as platform-independent objects. UNIX-style

directory delimiters (forward slash) are allowed on Windows.

1.1.1 Native dataset

Example: 7.10

load(file="dir_location/savedfile") # works on all OS including Windows ...