I've been getting a lot of questions about the method used to map the hotspots in the seasonal drunk-driving risk maps. It uses the GAM (Geographical Analysis Machine), a way of detecting spatial clusters from two data inputs: the data of interes...
Posts Tagged ‘ gam ’
Hot Spot Mapping in R: Illustrating Relative Seasonal Risk
In recent months, IDV has taken steps to incorporate the powerful statistical engine, R, as a viable connection to Visual Fusion. R has a robust and growing set of libraries and a community that is constantly thumping away on improvements. ...
The cranky guide to trying R packages
This is a tutorial on how to try out a new package in R. The summary is: expect errors, search out errors and don’t start with the built in examples or real data. Suppose you want to try out a novel statistical technique? A good fraction of the time R is your best bet for Related posts:
Rethinking ‘loess’ for Binomial-Response Pitch F/X Strike Zone Maps
So after a long hiatus, I'm back for today. I've been crazy busy with a number of different things--including getting engaged and helping plan out wedding dates and things of that sort--and unfortunately have not kept up here on this blog (or on Fanta...
Updating meteorological forecasts, part 1
As Mark Twain said "the art of prophecy is very difficult, especially about the future" (well, actually I am not sure Mark Twain was the first one to say so, but if you're interested by that sentence, you can look here). I have been rather su...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
