Preface	7
	The Absolute R Beginner	7
	Datasets used in This book	8
	Acknowledgements	9
	Contents	10
	Introduction	15
	1.1 What Is R?	15
	1.2 Downloading and Installing R	16
	1.3 An Initial Impression	18
	1.4 Script Code	21
	1.5 Graphing Facilities in R	24
	1.6 Editors	26
	1.7 Help Files and Newsgroups	27
	1.8 Packages	30
	1.9 General Issues in R	33
	1.10 A History and a Literature Overview	36
	1.11 Using This Book	38
	1.12 Citing R and Citing Packages	40
	1.13 Which R Functions Did We Learn?	41
	Getting Data into R	42
	2.1 First Steps in R	42
	2.2 Importing Data	59
	2.3 Which R Functions Did We Learn?	67
	2.4 Exercises	67
	Accessing Variables and Managing Subsets of Data	70
	3.1 Accessing Variables from a Data Frame	70
	3.2 Accessing Subsets of Data	76
	3.3 Combining Two Datasets with a Common Identifier	80
	3.4 Exporting Data	82
	3.5 Recoding Categorical Variables	84
	3.6 Which R Functions Did We Learn?	87
	3.7 Exercises	87
	Simple Functions	89
	4.1 The tapply Function	89
	4.2 The sapply and lapply Functions	92
	4.3 The summary Function	93
	4.4 The table Function	94
	4.5 Which R Functions Did We Learn?	96
	4.6 Exercises	96
	An Introduction to Basic Plotting Tools	97
	5.1 The plot Function	97
	5.2 Symbols, Colours, and Sizes	100
	5.3 Adding a Smoothing Line	107
	5.4 Which R Functions Did We Learn?	109
	Loops and Functions	111
	6.1 Introduction to Loops	111
	6.2 Loops	113
	6.3 Functions	120
	6.4 More on Functions and the if Statement	129
	6.5 Which R Functions Did We Learn?	137
	6.6 Exercises	137
	Graphing Tools	139
	7.1 The Pie Chart	139
	7.2 The Bar Chart and Strip Chart	143
	7.3 Boxplot	149
	7.4 Cleveland Dotplots	153
	7.5 Revisiting the plot Function	157
	7.6 The Pairplot	167
	7.7 The Coplot	169
	7.8 Combining Types of Plots*	176
	7.9 Which R Functions Did We Learn?	178
	7.10 Exercises	179
	An Introduction to the Lattice Package	181
	8.1 High-Level Lattice Functions	181
	8.2 Multipanel Scatterplots:	182
	8.3 Multipanel Boxplots:	185
	8.4 Multipanel Cleveland Dotplots:	186
	8.5 Multipanel Histograms:	188
	8.6 Panel Functions	189
	8.7 3-D Scatterplots and Surface and Contour Plots	196
	8.8 Frequently Asked Questions	197
	8.9 Where to Go from Here?	203
	8.10 Which R Functions Did We Learn?	204
	8.11 Exercises	204
	Common R Mistakes	206
	9.1 Problems Importing Data	206
	9.2 Attach Misery	208
	9.3 Non-attach Misery	212
	9.4 The Log of Zero	213
	9.5 Miscellaneous Errors	214
	References	218
	Index	221