As I was getting a root canal last week, my dental X-Rays reminded me anew of an optical illusion that stumped us for a short time recently when we were developing our heatmapping engine.My X-Rays, before during and after a recent root canal. The...
Posts Tagged ‘ hotspot ’
Mapping Hotspots with R: The GAM
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...
Shipping Mix
With a fresh pile of historical global shipping data, we came back to the flow visualizations that illustrated tangible supply lines that facilitate global trade. This time we've isolated two types of shipping vessels, cargo and tanker, in order ...
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. ...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
