Dark matter benchmarks: All over the map

October 14, 2012 | 0 Comments

The three benchmark algorithms for predicting the location of dark matter halos are, for the most part, all over the map. Most of the test skies look something like this: There are, however, some skies with rather strong halo signals that get a decent amount of agreement: The Lenstool MLE ... [Read more...]

The essence of a handwritten digit

August 13, 2012 | 0 Comments

If you haven’t yet discovered the competitive machine learning site kaggle.com, please do so now. I’ll wait. Great – so, you checked it out, fell in love and have made it back. I recently downloaded the data for the getting started competition. It consists of 42000 labelled images (28×28) of ... [Read more...]

Kaggle on TV

September 22, 2011 | 0 Comments

It is good to see forecasting algorithms getting some mainstream exposure on ABC Catalyst. [Read more...]

Wikipedia for Kaggle Participants

July 1, 2011 | 0 Comments

Kaggle has released a new data-mining challenge: use data from 10 years of Wikipedia edits in order to predict future edit rates. The dataset has been anonymized in order to obscure editor identity and article identity, simultaneously adding focus to the challenge and robbing the dataset of considerable richness. I have ... [Read more...]

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