R-intro - An Introduction to R Notes on R: A Programming...

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An Introduction to R Notes on R: A Programming Environment for Data Analysis and Graphics Version 2.10.1 (2009-12-14) W. N. Venables, D. M. Smith and the R Development Core Team
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Copyright c ± 1990 W. N. Venables Copyright c ± Copyright c ± Copyright c ± 1997, 1998 M. Maechler Copyright c ± 1997– R Core Development Team Copyright c ± 1999–2009 R Development Core Team Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies. Permission is granted to copy and distribute modified versions of this manual under the con- ditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one. Permission is granted to copy and distribute translations of this manual into another lan- guage, under the above conditions for modified versions, except that this permission notice may be stated in a translation approved by the R Development Core Team. ISBN 3-900051-12-7
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i Table of Contents Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 Introduction and preliminaries . . . . . . . . . . . . . . . . 2 1.1 The R environment ............................................ 2 1.2 Related software and documentation ............................ 2 1.3 R and statistics ................................................ 2 1.4 R and the window system ...................................... 3 1.5 Using R interactively ........................................... 3 1.6 An introductory session ........................................ 4 1.7 Getting help with functions and features ........................ 4 1.8 R commands, case sensitivity, etc. .............................. 5 1.9 Recall and correction of previous commands .................... 5 1.10 Executing commands from or diverting output to a file ........ 6 1.11 Data permanency and removing objects ....................... 6 2 Simple manipulations; numbers and vectors . . 7 2.1 Vectors and assignment ........................................ 7 2.2 Vector arithmetic .............................................. 7 2.3 Generating regular sequences ................................... 8 2.4 Logical vectors ................................................. 9 2.5 Missing values .................................................. 9 2.6 Character vectors ............................................. 10 2.7 Index vectors; selecting and modifying subsets of a data set .... 11 2.8 Other types of objects ......................................... 12 3 Objects, their modes and attributes . . . . . . . . . 13 3.1 Intrinsic attributes: mode and length .......................... 13 3.2 Changing the length of an object .............................. 14 3.3 Getting and setting attributes ................................. 14 3.4 The class of an object
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This note was uploaded on 04/16/2010 for the course UUI 88937 taught by Professor Johannajohanson during the Spring '10 term at Punjab Engineering College.

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R-intro - An Introduction to R Notes on R: A Programming...

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