Ta b l ea u I n t ro to d a ta v i s u a l i za t i o n w i t h · 2021. 6. 30. · F ig u res o n...
Transcript of Ta b l ea u I n t ro to d a ta v i s u a l i za t i o n w i t h · 2021. 6. 30. · F ig u res o n...
Intro to data visualization withIntro to data visualization withTableauTableau
UBC Library Research CommonsUBC Library Research Commons
Jeremy Buhler, Sarah Parker,
[email protected]@ubc.ca
http://bit.ly/ubc-intro-data-viz
Pre-workshop setupPre-workshop setup
1. Install Tableau Public or Tableau Desktop2. Download 3. Create (optional)
Labour Force Survey sample datasetTableau Public account
The Vancouver Campus is located on the traditional,ancestral, and unceded territory of the xʷməθkʷəy̓əm
(Musqueam) people. Map: https://native-land.ca/
Learning objectivesLearning objectives
1. Recognize the characteristics of an effectivevisualization
2. Format data for visualization3. Create a simple visualization using Tableau
Tableau PublicTableau PublicLimitations of the free version
Visualizations cannot be saved locallyDataset limit of 1M recordsCannot connect databases
Participating onlineParticipating online
Participating onlineParticipating online
OutlineOutline0:10
0:25
0:30
0:45 Break
0:50
1:20
Visualization basics
Preparing your data
Introducing the Tableau interface
Creating graphs
Saving your work
Source dataSource data
Sample map outputSample map output
“Data visualization is the graphical display of abstractinformation for two purposes: sense-making (also
called data analysis) and communication.”
-Stephen Few, What is Data Visualization
Preattentive processingPreattentive processingThe eye and brain’s ability to process certain visual
properties almost instantly, without conscious effort.
Figures on this and the next slide from Stephen Few, “Tapping the Power of Visual Perception”http://www.perceptualedge.com/articles/ie/visual_perception.pdf
Encoding quantities: length and size
Encoding quantities: length and size
Encoding quantities: length and size
Remove unnecessary content to focus the viewer
Remove unnecessary content to focus the viewer
Remove unnecessary content to focus the viewer
Source: Jeffrey Shaffer, https://www.tableau.com/about/blog/2016/4/examining-data-viz-rules-dont-use-red-green-together-53463
Use colors intentionally to encode information
Use colors intentionally to encode information
Use colors intentionally to encode information
Some guiding principlesSome guiding principles1. Choose clarity over variety2. Reduce burden on the reader3. Present data with integrity
Preparing your dataPreparing your data
Each measure in one columnEach measure in one column
Each measure in one columnEach measure in one column
Know your datasetKnow your dataset
Know your datasetKnow your dataset
How is it formatted?How many records are there?What are the variable labels?Is there a user guide or data dictionary?
Checking your workChecking your work
Statistics Canada table , Labour force characteristics by province, monthly,
unadjusted for seasonality.14-10-0017-02
Checking your workChecking your work
Statistics Canada table , Labour force characteristics by province, monthly,
unadjusted for seasonality.14-10-0017-02
Hands-on practiceHands-on practice