Thursday, December 03, 2020

Machine learning algorithms surprises at deployment? (article on Medium)

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Machine learning (ML) algorithms are being used to generate predictions in every corner of our decision-making life. Methods range from “s...
Monday, December 10, 2018

Forecasting large collections of time series

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With the recent launch of  Amazon Forecast , I can no longer procrastinate writing about forecasting "at scale"! Quantitative fo...
Sunday, February 04, 2018

Data Ethics Regulation: Two key updates in 2018

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This year, two important new regulations will be impacting research with human subjects: the EU's General Data Protection Regulation (G...
Monday, December 25, 2017

Election polls: description vs. prediction

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My papers To Explain or To Predict  and Predictive Analytics in Information Systems Research contrast the process and uses of predictive mo...
Monday, November 06, 2017

Statistical test for "no difference"

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To most researchers and practitioners using statistical inference, the popular hypothesis testing universe consists of two hypotheses: H0 ...
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Tuesday, September 05, 2017

My videos for “Business Analytics using Data Mining” now publicly available!

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Five years ago, in 2012, I decided to experiment in improving my teaching by creating a flipped classroom (and semi-MOOC) for my course “Bu...
Tuesday, March 14, 2017

Data mining algorithms: how many dummies?

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There's lots of posts on "k-NN for Dummies". This one is about "Dummies for k-NN" Categorical predictor variables ...