Aggregation Digital revolution in China: two visual takes Kaiser Fung, founder of JunkCharts and Principal Analytics Prep, discusses a map in the Economist about the digital silk road in China. What's the story?
Algorithms Dead man tells no tales but dead statistician had the story down Kaiser Fung, author of Numbersense and founder of Principal Analytics Prep, explains the preliminary finding about the death of a Tesla driver, and warns about drawing the wrong conclusions due to a biased sample.
Analytics-business interaction Moviepass reminds me of Groupon Kaiser Fung, founder of Principal Analytics Prep, explores the business model behind Moviepass, the popular but money-losing movie subscription company. Counterfactual thinking, and understanding consumer behavior are key parts of the analysis.
Bar chart Excel is the graveyard of charts, no! Kaiser Fung, creator of Junk Charts blog and founder of Principal Analytics Prep, encourages Excel users to work harder at making nice data graphics.
Algorithms If you are using Facebook Ads split testing (A/B testing), stop fooling yourself Kaiser Fung, founder of Principal Analytics Prep, and former director of Applied Analytics at Columbia University, explains why you can't run proper A/B tests on Facebook
Axis Another simple Excel chart needs help Kaiser Fung, founder of Principal Analytics Prep and Junk Charts, takes apart an Elon Musk chart, created using some Excel defaults.