Dark matter benchmarks: All over the map

October 14, 2012 | Corey Chivers

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...]

ISBA towards higher computing goals [yet another new section!!!]

September 19, 2012 | xi'an

Surrounding the great and exciting gathering of Bayesian statisticians in Kyoto last June, several ISBA sections have appeared in the past weeks, as already mentioned on the ‘Og. Along with Anto Mira and Nicolas Chopin (who did most of the organisational work while I was wandering down under!), we discussed ... [Read more...]

Accessing R from Python using RPy2

October 24, 2010 | Ryan

This past Tuesday I had the opportunity to present a short talk (a bit long) related to text mining at the Los Angeles R Users’ Group. Since I do most of my text mining in Python, I took this opportunity to discuss RPy2, an interface to R from Python. My ... [Read more...]

Be Careful Searching Python Dictionaries!

February 27, 2010 | Ryan

For my talk on High Performance Computing in R (which I had to reschedule due to a nasty stomach bug), I used Wikipedia linking data, an adjacency list of articles and the articles to which they link. This data was linked from DataWrangling and was originally created by Henry Haselgrove. ... [Read more...]

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