statistics

…in The Journal of Articles in Support of the Null Hypothesis. Tip from the Statistical Modeling, Causal Inference, and Social Science statistics blog. Read more

Robert Kosara gets motivated to publish his code for parallel sets, a nice way to represent categorical data. Read more

Looking at Data: GGobi and ggplot2, lions and tigers and bears, oh my! Read more

Here is a drop-dead simple visualization of how much a trillion dollars is. Chump Change: this is just a building block Tip from Jonah Goldberg at The Corner, where he posts some really off-the wall $h!t. Read more

Marissa Taylor has a WSJ piece about "Books and Music that Make You Dumb" which points to a stats hack by Caltech’s Virgil Griffith which plots the tastes in books and music against average SAT score for various colleges. Too bad that neither Griffith nor Taylor have ever heard of an ecological fallacy.  Tip from… Read more

The latest college-bound craze?  Do-overs on your SATs.  This would be OK if the College Board folks also reported how many times you took the test.  Then we could just use the distribution of the maximum score (this is an example of an order statistic).  Look at the difference between the (normal) distribution of a… Read more

Over at Harvard’s Social Science Statistics Blog, Matt Blackwell has come up with a missingness map to visualize missing data in large datasets.  Looks like a great tool for data cleaning and imputation. Read more

If a Google Guy says it, it must be true: I keep saying the sexy job in the next ten years will be statisticians. People think I’m joking, but who would’ve guessed that computer engineers would’ve been the sexy job of the 1990s? The ability to take data—to be able to understand it, to process… Read more

Here’s a great article about the Houston Rockets’ secret weapon, Shane Battier.  Without good statistics, no one would know how good this guy is.Tip from the Corner. Read more

"The commanding General is well aware that the forecasts are no good. However, he needs them for planning purposes." Update (3 February). Macroeconomists should realize that the inability of their theories to make accurate predictions means that they do not know what they are talking about. We non-economists should realize this also, and realize that… Read more