Spis treści: „Signal: Understanding What Matters in a World of Noise”

Spis treści publikacji pt. „Signal: Understanding What Matters in a World of Noise”.

Tytuł: „Signal: Understanding What Matters in a World of Noise”
Autor: Stephen Few
Wydawca: Analytics Press
Data wydania: 2015-06-01
Język: Angielski
Liczba stron: 225

Spis treści

Spis treści / Table of contents

PREFACE / XI

INTRODUCTION / 1

Big Data, Little Information / 1

The Nature of Signals / 3 

The Slow Data Movement / 5

The Goal of Data Sensemaking / 9 

Learning to See / 11 

Stewardship / 12 

PART I GET TO KNOW THE LAND / 15

1. SURVEY THE LAND / 17 

What, How, and Why / 17 

Data Vistas / 18 

Context, Context, Context / 22 

Data Fitness / 23

Variation and Relationships / 24

The Science of Data Analysis / 27 

The Explorer’s Journal / 28 

2. VARIATION WITHIN CATEGORIES / 29 

Ranking and Part-to-Whole Relationships / 30 

Charts of Tallies, Sums, and Averages  / 31 

Specialized Graphs / 42

3. VARIATION WITHIN MEASURES / 55 

Distribution Relationships / 55 

Normal Distributions / 58

The Nature of Randomness / 63

Non-Normal Distributions / 64 

Homogeneity and Heterogeneity / 67 

Means and Medians / 67 

Graphs for Exploring a Single Distribution/ 71 

Graphs for Comparing Multiple Distributions / 78 

Exploratory Signals / 89 

4. VARIATION ACROSS SPACE / 93

Spatial Relationships / 93

Visualizations for Spatial Sensemaking / 93

Encoding Values in Space / 95

Comparing Spatial Values within Categories and through Time / 101

5. VARIATION THROUGH TIME / 105

Time-Series Relationships / 105

Graphs for Exploring Time Series / 106

6. RELATIONSHIPS AMONG MEASURES / 117

Quantitative Co-relationships / 117

Correlation and Causation / 118

Key Characteristics of Correlations / 120

Scatter Plots for Examining Correlations / 122

Summarizing Correlations with Lines or Curves / 125

Resistance is Not Futile / 127

Curvy Models / 129

Transformations / 131

Regression Analysis / 132

7. RELATIONSHIPS AMONG CATEGORIES / 135

Visual Crosstabs / 135

8. RELATIONSHIPS AMONG MULTIPLE VARIABLES AND PERSPECTIVES

Multi-perspective Views / 139

Coordinated Filtering / 145

Coordinated Highlighting / 146

Multivariate Relationships / 147

Parallel Coordinates Plots / 148

PART II WATCH OVER THE lAND / 155 

9. INSTAll SIGNAl SENSORS / 157 

Processes and How They Speak / 157

Wishing Won’t Make It So / 158 

Homogenous Enough for Signal Detection / 159 

Long and Often Enough for Signal Detection / 160 

Signals In Variation through Time / 161 

Adaptations of Statistical Process Control / 167 

Sensor Construction / 179 

10. ENVISION THE LAND AT ITS BEST / 181 
11. DOCUMENT THE LAND / 185 
12. MONITOR THE LAND FOR SIGNALS / 191 

EPILOGUE – ZEN STEWARDSHIP / 195 

APPENDICES / 199 

Creating Quantile Plots in Excel / 199 

Creating XmR Charts in Excel / 203 

INDEX / 207 

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