iv | Table of Contents
4. Time Series
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54
Milk, Tea, and Coffee (Acquire and Parse) 55
Cleaning the Table (Filter and Mine) 55
A Simple Plot (Represent and Refine) 57
Labeling the Current Data Set (Refine and Interact) 59
Drawing Axis Labels (Refine) 62
Choosing a Proper Representation (Represent and Refine) 73
Using Rollovers to Highlight Points (Interact) 76
Ways to Connect Points (Refine) 77
Text Labels As Tabbed Panes (Interact) 83
Interpolation Between Data Sets (Interact) 87
End of the Series 92
5. Connections and Correlations
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94
Changing Data Sources 94
Problem Statement 95
Preprocessing 96
Using the Preprocessed Data (Acquire, Parse, Filter, Mine) 111
Displaying the Results (Represent) 118
Returning to the Question (Refine) 121
Sophisticated Sorting: Using Salary As a Tiebreaker (Mine) 126
Moving to Multiple Days (Interact) 127
Smoothing Out the Interaction (Refine) 132
Deployment Considerations (Acquire, Parse, Filter) 133
6. Scatterplot Maps
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145
Preprocessing 145
Loading the Data (Acquire and Parse) 155
Drawing a Scatterplot of Zip Codes (Mine and Represent) 157
Highlighting Points While Typing (Refine and Interact) 158
Show the Currently Selected Point (Refine) 162
Progressively Dimming and Brightening Points (Refine) 165
Zooming In (Interact) 167
Changing How Points Are Drawn When Zooming (Refine) 177
Deployment Issues (Acquire and Refine) 178
Next Steps 180
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