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Python meets Wordle
I read an interesting article on ABC News (Australia) about Wordle, it’s worth checking out. The author stated: I use “share” as my first guess because it includes the two most common vowels, “s” which is the third most common … Continue reading
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Merry Christmas !!!
Wishing everybody a wonderful celebration. A friend sent me this Christmas math joke, just had to share…
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Kendall’s Tau and the CrossFit Games
Correlation of Results Correlation coefficients are a measure of agreement, and Kendall’s Tau is used to rank agreement of the order of items. An example of this could be seeing how closely different athletes are in ranking. Suppose Alice was … Continue reading
Some time back I watched an excellent video of Geoff Hinton presenting deep learning at Google, http://www.youtube.com/watch?v=AyzOUbkUf3M, and I decided that I really needed to learn more about this technology. Well, the best way to learn is to do, so I … Continue reading
The new SAT
Last night I was briefly watching the news, and they interviewed Susan Hansen as a “test prep expert” talking about the new SAT. She made a comment that the 1/4 point penalty for a wrong answer doesn’t reward guessing. Actually, … Continue reading
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What R taught me about Java
I was recently using glmnet to do some classification work. It’s a great package and worked really well for me, but I kept getting some really frustrating errors: > Error in lognet(x, is.sparse, ix, jx, y, weights, offset, alpha, nobs, … Continue reading
Three is less than a hundred, right?
I’ve recently started consulting as a Data Scientist, and wanted to share something interesting with Hadoop. One of the people on my team was having trouble getting her code to run, as it kept running out of space. The code … Continue reading
Futoshiki – the code
Oh, I thought I might publish the code. I haven’t done much in Python – but the interface to Gurobi is really nice and makes great use of list comprehensions. I would rather use Python for mathematical programming than AMPL … Continue reading
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Futoshiki
A few weeks ago I was introduced to Futoshiki, a Japanese puzzle. It was in the Gulf News, which I was reading in the U.A.E. while there on a business trip. Once I got back home, I was wondering if … Continue reading
