Blog Archives

How I learned to stop worrying and really love lists

December 14, 2012
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How I learned to stop worrying and really love lists

One of the first weird things to get used to in R is unlearning some of the things that you think you know. As often happens, this reminds me of a quote I once read about Zen, which went about like this (I’m paraphrasing), “When I knew nothing of Zen, mountains were mountains, rivers were

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Testing Assumption Testing

December 13, 2012
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Testing Assumption Testing

I’ve been doing a lot of linear modeling this year. That’s not much different than any ordinary year, but now I’m doing it in R. I had spent a bit of time in recent years trying to look at loss reserving as a multivariate regression. Excel is happy to do that, but testing various predictor

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How to spend an inordinate amount of time becoming efficient

December 6, 2012
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How to spend an inordinate amount of time becoming efficient

I’ve spent a good deal of 2012 constructing a data warehouse to manage all the various data elements that my company has. Although we’re a small enterprise, the richness and complexity of the information is rather high. Moreover, as a data-driven organization, there’s a strong impetus to construct meaningful analysis with every bit of input

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NFL Prediction – Algorithm 1

December 5, 2012
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NFL Prediction – Algorithm 1

So I tidied the code up a bit from last time; no more for loop. Actually, I tidied it up a lot. My goal had been to arrange the data in such a way that I could get a simple moving average of the score difference for each team. That wound up being a semi-lengthy

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Pro Football Data

December 1, 2012
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Pro Football Data

I’ve made the acquaintance of a group of data analysts here in the triangle and have agreed to arrange an outing to the Durham Bulls minor league baseball team. Because it’s for stat nerds and because I was curious, I went looking for some baseball data to analyze. I found loads of it here, but

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