Making sense of data III: a practical guide to designing interactive data visualizations / Glenn J. Myatt, and Wayne P. Johnson.

Includes bibliographical references and index.

1 Introduction
1.1 Overview / 1
1.2 Visual Perception / 2
C' 1.3 Visualization / 5
1.4 Designing for High-Throughput Data Exploration / 9
1.4.1 The lA (Intelligence Amplified) System / 9
1.4.2 Design / 10
1.4.3 Data / 15
1.5 Summary / 18
1.6 Further Reading / 18
2 The Cognitive and Visual Systems
2.1 External Representations / 21
2.2 The Cognitive System / 24
2.2.1 The Matter of Thought / 25
2.2.2 Mental Processes and Internal Representations / 28
2.3 Visual Perception / 29
2.3.1 The Problem of Scene Recognition / 30
2.3.2 Levels of Explanation / 30
2.3.3 Illuminating the Environment / 31
2.3.4 The Eye and Visual Pathways / 32
2.3.5 Processing the Retinal Image / 36
2.3.6 Color / 45
2.4 .Influencing Visual Perception / 53
2.4.1 Eye Movements / 54
2.4.2 Attention / 56
2.4.3 Memory / 60
2.5 Summary / 62
2.6 Further Reading / 63
Graphic Representations
3.1 Jacques Berlin: Semiology of Graphics / 66
3.1.1 The Essence of Semiotics / 66
3.1.2 The Properties and Structure of the Information / 71
3.1.3 The Properties of the Graphics System / 75
3.1.4 Constructing Efficient Graphics / 82
3.2 Wilkinson: Grammar of Graphics / 86
3.2.1 The Graphic Pipeline / 87
3.2.2 The Graphic Specification / 88
3.2.3 Components of the Grammar / 91
3.3 Wickham: ggplot2 / 96
3.3.1 The Graphic Pipeline / 97
3.3.2 The Graphic Specification and Components / 98
3.4 Bostock and Heer: Protovis / 101
3.5 Summary / 102
3.6 Further Reading / 103
Designing Visual Interactions
4.1 Designing for Complexity / 104
4.2 The Process of Design / 107
4.2.1 Analyze / 110
4.2.2 Design / 114
4.2.3 Prototype / 120
4.2.4 Evaluate / 121
4.3 Visual Interaction Design / 121
4.3.1 Visual Interfaces / 123
4.3.2 Visualizations / 131
4.3.3 Graphics / 137
4.3.4 Real-Time Constraints / 142
4.4 Summary 143
4.5 Further Reading / 144
Hands-On: Creating Interactive Visualizations
with Protovis
5.1 Using Protovis / 146
5.1.1 Overview / 146
5.1.2 Getting Started / 147
5.1.3 Chapter Overview / 150
5.1.4 Exercise / 151
5.2 Creating Code Using the Protovis Graphical Framework / 151
5.2.1 Overview / 151
5.2.2 Panels / 152
5.2.3 Marks / 154
5.2.4 Using Functions / 157
5.2.5 Variables / 160
5.2.6 Exercises / 162
5.3 Basic Protovis Marks / 163
5.3.1 Bar / 163
5.3.2 Label / 166
5.3.3 Dot I 171
5.3.4 Line / 174
5.3.5 Area / 177
5.3.6 Wedge / 181
5.3.7 Images / 184
5.3.8 Exercises / 186
5.4 Creating Customized Plots / 187
5.4.1 Colors I 187
5.4.2 Formatting / 191
5.4.3 Anchors / 194
5.4.4 Rule / 198
5.4.5 Scales / 200
5.4.6 Exercises / 210
5.5 Creating Basic Plots / 211
5.5.1 Overview / 211
5.5.2 Handling Arrays and Data / 211
5.5.3 Reading Data from Files / 212
5.5.4 Worked Examples / 214
5.5.5 Exercises / 222
5.6 Data Graphics / 223
5.6.1 Frequency Histograms / 223
5.6.2 Box-and-Whisker Plots / 228
5.6.3 Scatterplots / 232
5.6.4 Exercises / 235
5.7 Composite Plots / 237
5.7.1 Creating Grouped Plots Using Multiple Panels / 237
5.7.2 Inheritance / 238
5.7.3 Property Chaining / 240
5.7.4 Creating Plot Matrices Using Multiple Panels / 242
5.7.5 Layout Management / 253
5.7.6 Networks / 254
5.7.7 Hierarchies / 257
5.7.8 Sparklines / 260
5.7.9 Exercises / 262
5.8 Interactive Plots / 263
5.8.1 Overview / 263
5.8.2 Tooltips / 263
5.8.3 Hyperlinks / 264
5.8.4 Local Variables and Events / 266
5.8.5 Behavior / 267
5.8.6 Exercises / 271
5.9 Protovis Summary / 273
5.10 Further Reading / 275