Good and Bad Data Visualizations Day 18 Review

Good and Bad Data Visualizations Day 18

Review • • Review Unit 1 Test Quiz- Lessons 8 & 9 Go Dodgers Go Trojans, Beat the Cougars! Go Rams? USC Basketball? National Anthem?

Video • David Mc. Candless: The beauty of data visualization

Good and Bad Data Visualizations • An important skill is the ability to critically evaluate information. As our world is increasingly filled with data, more and more the information from that data is conveyed through visualizations. • Visualization is useful for both discovery of connections and trends and also communication both are potentially aspects of the Explore Performance Task. In this lesson we will focus on the communication aspects of visualization.

Good and Bad Data Visualizations • Interpreting data visualizations is not typically thought of as a core computer science skill, but it is certainly an important one in an age of digital data. Computing has enabled massive amounts of information to be automatically collected, aggregated, analyzed, and visualized.

Good and Bad Data Visualizations • Visualizations are useful in helping humans understand large amounts of data quickly, and they are useful communication tools when presenting findings about a collection of data. • Not all visualizations are created equal, however, and in many cases the type of visualization used may distract or even mislead the reader.

Good and Bad Data Visualizations • As both creators and consumers of data visualizations, students need to be on the lookout for these common pitfalls. This will allow them to be savvier readers of data visualizations, and more effective communicators when creating visualizations of their own

Good and Bad Data Visualizations • Objectives • Identify an effective data visualization and give justification. • Collaborate to investigate and evaluate a data visualization. • Suggest an appropriate visualization for some data. • Evaluate a data visualization for effectiveness of communication. • Identify a poor data visualization and give justification.

Preview

Review • Your job is to rate the quality of the visualizations and keep a few notes about why they are good or bad. • Data Visualization 101: How to design charts and graphs • Data Visualization Scorecard – Worksheet

Next Class • Finish Code. org Lessons • No Journal Check • We will make charts/graphs/visuals!