December 13, 2010
A friend recently bought The R Book and I said I would tell him of problems that I've noticed with it. You can eavesdrop. Page 4 The word "library" [...]
December 6, 2010
When were there bear and bull markets in US stocks since 1950? Smoothing While we'd really like to estimate the expected return at each point in time, finding bear [...]
November 29, 2010
The Joy of Stats really is a joy. It will be shown on BBC4, apparently scheduled for December 7. (That date comes from Hans Rosling on twitter, I haven't [...]
November 26, 2010
Many from the R world will know The R Inferno. Abstract: If you are using R and you think you're in hell, this is a map for you. A [...]
November 22, 2010
We know that the S&P 500 was up a little in 2007 and down a lot in 2008. So on the surface the question seems really stupid. But randomness [...]
November 11, 2010
As if that is news to some of you. Forbes has a Mean Business blog post by Steve McNally titled "Names You Need to Know in 2011: R Data [...]
November 9, 2010
The game ARORA (A random or real array) is a website that gives you two time series at a time. Your job is to guess which series is real [...]
October 19, 2010
World Statistics Day is 2010 October 20. If you work with data or you should, then you are a statistician and this is a day for you. Try the [...]
October 18, 2010
Fringe provides an excellent example of cointegration. This is a television show in which there are two adjacent universes. The universes are almost alike but not exactly. Now, everyone [...]
October 4, 2010
It was the best of times, it was the worst of times. As you may have guessed, this is a mashup of a novel by Charles Dickens and an [...]