3. Data Input
Published Online: 6 NOV 2012
DOI: 10.1002/9781118448908.ch3
Copyright © 2013 John Wiley & Sons, Ltd
Book Title
The R Book, Second Edition
Additional Information
How to Cite
Crawley, M. J. (2012) Data Input, in The R Book, Second Edition, John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9781118448908.ch3
Publication History
- Published Online: 6 NOV 2012
- Published Print: 7 DEC 2012
ISBN Information
Print ISBN: 9780470973929
Online ISBN: 9781118448908
- Summary
- Chapter
Keywords:
- data input;
- data input from the keyboard, from files;
- data input directly from the web;
- input from files using scan, reading a dataframe;
- reading data from a file using readLines;
- reading non-standard files, using readLines;
- warnings, in attaching dataframe;
- checking files from command line;
- built-in data files;
- reading data from external database, and DSN
Summary
This chapter contains sections titled:
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Data input from the keyboard
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Data input from files
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Input from files using scan
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Reading data from a file using readLines
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Warnings when you attach the dataframe
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Masking
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Input and output formats
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Checking files from the command line
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Reading dates and times from files
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Built-in data files
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File paths
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Connections
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Reading data from an external database