Bias Apparently Hollywood does not recycle action-movie plots. The data said so, so it must be right It pains me to think how many people have used these keywords to build models.
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
Analytics-business interaction Data sleaze: Uber and beyond There has been a barrage of negative publicity related to Uber recently.
Aggregation Dispute over analysis of school quality and home prices shows social science is hard Most of my friends with families fret over school quality when deciding
Big Data Counting is hard, especially when you don't have theories Exploring the data about movies, uncovering data issues
Algorithms Pre-processing data is not just about correcting errors Exploration of IMDB rating data, by Kaiser Fung, founder of Principal Analytics Prep