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
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
Comparability Visualizing citation impact Michael Bales and his associates at Cornell are working on a new
Algorithms Pre-processing data is not just about correcting errors Exploration of IMDB rating data, by Kaiser Fung, founder of Principal Analytics Prep
Aggregation Good models + Bad data = Bad analysis Example showing how to diagnose bad data in data science models