Data Visualization HELLO! I am Amanda Johnson Data Analysis & - PowerPoint PPT Presentation

Data Visualization

HELLO! I am Amanda Johnson Data Analysis & Communications 2 Consultant at the State Library of North Carolina amanda.johnson@ncdcr.gov

Public Library Data 3

Agenda ● Effective visualization principles ● Quick and easy tips to improve any visualization 4 ● Design principles

Why data visualization? ▹ Comprehend information quickly ▹ Find patterns & relationships in data 5 ▹ Identify trends ▹ Communicate data

1. Building effective visualizations

Source 7

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2. Quick and easy tips to improve any visualization

Tip: Provide context for numbers Source Source 10

Tip: Choose charts wisely Source 11

Chart Types: Line Chart Source 12

Chart Types: Bar Chart Basic bar chart Grouped bar chart Stacked bar chart Source Source Source 13

Chart Types: Other Charts Treemap Scatter Plot Pie Chart Source Source Source 14

Chart Types: Excel 15

Chart Types: Even more Data Viz Catalogue Chart Picker 16

Tip: Do the work for your audience 17

Tip: Do the work for your audience 18

Tip: Do the work for your audience 19

Tip: Do the work for your audience 20

3. Design principles

Graphics: Show rather than tell Source Source 22

Font: Limit to three Source Source 23

Colors: Grab attention Source Source Source 24

Arrangement: Visual organization Source Source Source 25

Resources Visualization tools: 26 Graphic design tools: Accessibility Checker WC3 Web Accessibility Standards