This second course of the Data-Driven Decision Making (DDDM) series provides a high-level overview of data analysis and visualization tools, preparing learners to discuss best practices and develop an ...

UC San Diego cognitive scientist Philip Guo created Python Tutor, a free tool that makes code “visible” step by step. The research behind it earned a Test of Time award, recog ...

Data work in 2026 asks for more than chart building. Professionals are expected to clean data, query databases, explain ...

Who's the real main character in Shakespearean tragedies? Here's what the data say Martin Grandjean's data visualizations look at the relationships between characters in Shakespearean tragedies.