Data Visualization Workshop

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Data Visualization WorkshopUN Innovation NetworkHong QuAdjunct LecturerHarvard Kennedy School

Agenda How to create charts and maps using ExcelFlourishDatawrapperTableau Highlight to focus attention Annotation Animation Interaction (exploration)The annotation layerColor and contrastWorkflow and design processQuestion and discussionSoftware demonstrations

What is the difference between data and ion/

Data: The 30 Largest Cities 1950-2035United Nations, Department of Economic and Social Affairs, Population Division (2018). World Urbanization Prospects: The 2018 Revision, Online Edition.

Tableau

“The goal of visualization is to aid ourunderstanding of data by leveraging thehuman visual system’s highly tunedability to see patterns, spot trends,and identify outliers.”–Jeffrey Heer, Michael Bostock, Vadim OgievetskyA Tour Through the Visualization Zoo

Pre-attentive PerceptionPre-attentive processing is the subconscious accumulation of information All available information ispre-attentively processed. Then, the brain filters and processes what is important. Information that hasthe highest salience (a stimulus that stands out the most) or relevance to what a person is thinkingabout is selected for further and more complete analysis by conscious (attentive) processing.Preattentive Attributes in Visualization – An Example

-covid-vaccine-pandemic-election

ColorContinuousOppositesDiscreteContrastKey point

The Annotation Layer“Making a graphic is the equivalent tointerviewing your source; but it’s thenyour job to actually pick out the bitsthe reader should know about.”– John Burn-MurdochThree Ways to Annotate Your Graphs

Storytelling with Data

Storytelling with Data

Simplicity takes discipline and courage“I have only made this letter longer because I have not had the time to make it shorter.“― Blaise Pascal

How people actually “see”

What most people see:

Recap Your mission is to enrich:1. Data2. Information3. Story Declutter and highlight to focus the viewer’s attention Make use of the annotation layer What makes a good visualization? Information Story Goal Visual

RESOURCES Software Tableau for exploratory data analysis and interactive dashboards Tutorial videos on LinkedIn Learning Book Practical Tableau: 100 Tips, Tutorials, and Strategies from aTableau Zen Master Flourish Studio for animations Tutorial videos by Alberto Cairo Datawrapper for charts and maps Tutorials Canva for infographics Design Books Storytelling with Data: A Data Visualization Guide for Business Professionals Now You See It: Simple Visualization Techniques for Quantitative Analysis Information Is Beautiful Good Charts: The HBR Guide to Making Smarter, More Persuasive DataVisualizations Functional Art, The: An introduction to information graphics and visualization Data Visualization Society Nightingale Medium Journal

The Five-Step ProcessThe Power of Visualization in Data Science

Questions and Discussion

Software udiohttps://www.tableau.com

Excel vs Datawrapper

Datawrapper

Flourish

Flourish

Tableau

Tableau

Tableau

Thank youWorkshop exercise files

Tableau for exploratory data analysis and interactive dashboards Tutorial videos on LinkedIn Learning Book Practical Tableau: 100 Tips, Tutorials, and Strategies from a . An introduction to information graphics and visualization Data Visualization Society Nightingale Medium Journal. The Power of Visualization in Data .

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2.1 Data Visualization Data visualization in the digital age has skyrocketed, but making sense of data has a long history and has frequently been discussed by scientists and statisticians. 2.1.1 History of Data Visualization In Michael Friendly's paper from 2009 [14], he gives a thorough description of the history of data visualization.

discussing the challenges of big data visualization, and analyzing technology progress in big data visualization. In this study, authors first searched for papers that are related to data visualization and were published in recent years through the university library system. At this stage, authors mainly summarized traditional data visualization

The data source and visualization system have different data models. A database visualization tool must make a connection between the data source data model and the visualization data model. Some methods has been proposed and studied. For example, Lee [17] described a database management-database visualization integration, which

About Oracle Data Visualization Desktop 1-1 Get Started with Samples 1-2 2 Explore, Visualize, and Analyze Data Typical Workflow to Visualize Data 2-1 Create a Project and Add Data Sets 2-2 Build a Visualization by Adding Data from Data Panel 2-3 Different Methods to Add Data 2-3 Automatically Create Best Visualization 2-3 Add Data to the .

Types of Data Visualization Scientific Visualization – –Structural Data – Seismic, Medical, . Information Visualization –No inherent structure – News, stock market, top grossing movies, facebook connections Visual Analytics –Use visualization to understand and synthesize large amounts of multimodal data – File Size: 2MBPage Count: 28

language express all the facts in the set of data, and only the facts in the data. Effectiveness A visualization is more effective than another visualization if the information conveyed by one visualization is more readily perceived than the information in the other visualization. Design Principles [Mackinlay 86]

Answer Key A Beast / Post-Reading / Activity 1 Hand out the worksheets to your students. Ask them to draw and describe the beast. When they finish, ask the students to walk around the class, find a partner, and then show and say what they have written. Display their worksheets on the bulletin board. Possible answer: The beast has got a very long body with brown spots A Beast / Post-Reading .