Algorithms A puzzle, and a cause for concern Kaiser Fung, founder of Principal Analytics Prep and author of Numbersense, reports on a disturbing encounter with Google News.
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.
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.
Aggregation Good models + Bad data = Bad analysis Example showing how to diagnose bad data in data science models
Current affairs How do you react to a probability forecast? There is a healthy debate going on about last night's
Aggregation How to get fired, the data scientist edition Investors of Herbalife (HLF) are owed a full explanation of the metrics