Lesson 3

IS428 Visual Analytics for Business Intelligence

About

Weekly Session

Assignments

Visual Analytics Project

Course Resources

Fundamentals of Visual Analytics

Lesson Outline

• Getting Smarter about Visual Information
  • The evil is at the data
• Visualising Amounts
  • Bar chart
  • Pareto chart
  • Grouped and stacked bars
  • Dot plot
• Visualising Distribution
  • Histogram
  • Density plot
  • Boxplot
  • Notched boxplot
  • Violin plot
  • Q-Q plot
• Visualising Relationships Among Two Continuous Variables
  • Scatter plot
• Visualising Associations Among Two Categorical Variables
  • Mosaic plot
• Visualising Uncertainty
  • Error bars
  • Confidence strips
  • Ridge plot

Readings

Core Readings

• Data Visualization: Clarity or Aesthetics?
• Clarity or Aesthetics? Part 2 – A Tale of Four Quadrants
• Clarity or Aesthetics? Part 3 – Tips for Achieving Both
• Junk Charts Trifecta Checkup: The Definitive Guide

Optional Readings

• 7 Basic Rules for Making Charts and Graphs
• Quantitative Literacy Across the Curriculum
• Tapping the Power of Visual Perception
• Sometimes We Must Raise Our Voices
• Best Practices for Understanding Quantitative Data
• Data Visualization: Rules for Encoding Values in Graph
• Choosing Colors for Data Visualization
• Line Graphs and Irregular Intervals: An Incompatible Partnership

Learning from Examples

• When your own data contradicts your headline
• Mistakes, we’ve drawn a few
• Three Steps to Make Your Data Clearer

All About Tableau

White Paper

• Which chart or graphis right for you?
• Good Enough to Great: A Quick Guide for Better Data Visualizations

Tutorial

• Formatting

• The Formatting Pane

• Getting Started with Dashboards and Stories

• Getting Started with Calculation

• Calculation Syntax

• Introduction to LOD Expressions

• Intro to Table Calculations

• Modifying Table Calculations

• Aggregate Calculations

• Date Calculations

• Logic Calculation

• String Calculation

• Number Calculation

• Type Calculation

• Conceptual Topics with LOD Expressions

• Aggregation and Replication with LOD Expressions

• Nested LOD Expressions

Visual Analytics Method(s) of the Week

Boxplot

• Understanding Boxplots

Violin Plots

• Violin Plot-wikipedia
• Hintze, Jerry L.; Nelson, Ray D. (1998). "Violin Plots: A Box Plot-Density Trace Synergism". The American Statistician. 52 (2): 181–4

Notched Box Plots

• Notched Box Plots

Dot Plots

• Dot plots
• Dot Plots: A Useful Alternative to Bar Charts

Trellis Display

• The Visual Design and Control of Trellis Display
• Trellis display
• Trellis Displays vs. Interactive Graphics

Funnel Plots

• Variation and Its Discontents: Funnel Plots for Fair Comparisons
• What are the chances of successful fertility treatment?
• Three-fold variation in UK bowel cancer death rates(?)
• Using funnel plots in public health surveillance
• Graph Makeover: Where same-sex couples live in the US
• Using maps and funnel plots to explore variation in place of death from cancer within London, 2002–2007