Lesson 2: Designing Graphs to Enlighten

Content

• Human perception and information processing
• Perceptual and design principles for effective visual analytics
• Principles of Graphic Design
  • Rules for Encoding Values in Graph
  • JunkCharts
  • Practical Guides for Using Colour in Charts
  • Data-ink

Lesson Slides and Hands-on Notes

• Lesson 2: Designing Graphs to Enlighten in html and pdf formats

• Handout of Hands-on Exercise 2 in html and pdf formats.

Readings

Core Readings

• Claus O. Wilke Fundamentals of Data Visualisation, Chapter 1-5, 17-26.
• Data Visualization: Clarity or Aesthetics?
• Clarity or Aesthetics? Part 2 – A Tale of Four Quadrants
• Clarity or Aesthetics? Part 3 – Tips for Achieving Both

Optional Readings

• Junk Charts Trifecta Checkup: The Definitive Guide
• 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
• Dos and don’ts of data visualisation- Usability guidelines for improving your visualisations

Learning from Examples

• Mistakes, we’ve drawn a few
• FT stories through charts and graphics
• Three Steps to Make Your Data Clearer
• When your own data contradicts your headline

All About Tableau

White Paper

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

Tutorial

• 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
• Regina L. Nuzzo (2016) “The Box Plots Alternative for Visualizing Quantitative Data”, PR&M, Volume8, Issue3, pp. 268-272.

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
• Violin Plot by LondonSODA.

Notched Box Plots

• Notched Box Plots

Dot Plots

• Dot plots
• Dot Plots: A Useful Alternative to Bar Charts
• The dot plot: A graphical tool for data analysis and presentation
• Leland Wilkinson (1999) “Dot Plot”, Statistical Computing and Graphics, Vol. 53, No. 3, pp. 276-281.

Pie chart and Bar chart

• Understanding Pie Charts
• Tracey L. Weissgerber et. al. (2015) “Beyond Bar and Line Graphs: Time for a New Data Presentation Paradigm”, PLoS Biology.

Raincloud Plots

• Allen M, Poggiali D, Whitaker K et al. “Raincloud plots: a multi-platform tool for robust data. visualization” [version 2; peer review: 2 approved]. Welcome Open Res 2021, pp. 4:63.

Diverging Stacked Bar Chart

• Design of Diverging Stacked Bar Charts for Likert Scales and Other Applications
• When Are 100% Stacked Bar Graphs Useful?
• The case against diverging stacked bars
• Are diverging 100% stacked bars useless?
• Rethinking the divergent stacked bar chart — placing the stronger views in the center

Packed Bars

• Introducing packed bars, a new chart form
• rPackedBar: Packed Bar Charts with ‘plotly’