, and also the discussions on the Statistical Modeling, Causal
Monthly Archives: August 2012
F1 2012 Mid-Season Review
Rather belatedly, I got around to posting a series of posts summarising the Formula One season to date: F1 2012 Mid-Season Review – Grid/Classification Analysis: for example, how do the drivers’ grid and final classifications compare? F1 2012 Mid-Season Review – Pit Stops: for example, how does pit stop performance across the teams compare? F1 
Virginia: Comparison of Registered Voter Counts to Census Voting Age Population
By Earl F Glynn | Franklin Center A comparison of US Census voting age population data in Virginia to voter registration data shows only one locality, Surry County, with about 100% of the voting age population registered to vote. Six other localities have about 95% of their voting age population registered: Craig County, Isle of
Processing Data from a Statistica Worksheet Using R
Context: I work with data from non-profit organizations, and so a big concern in many of my analyses is if and how much people are donating from one year to the next. One of the things I normally like to do … Continue reading →
R does CSI: Using R to nail break-in suspects
You've probably heard (or seen in TV shows) how the unique pattern of rifling in a gunbarrel generates forensic evidence: microscopic scoring on the bullets left at the scene of the crime can be linked to the shooter by matching the marks to the firearm. What you might not know is that the same technique can be applied to...
back from down under
After a sunny weekend to unpack and unwind, I am now back to my normal schedule, on my way to Paris-Dauphine for an R (second-chance) exam. Except for confusing my turn signal for my wiper, thanks to two weeks of intensive driving in four Australian states!, things are thus back to “normal”, meaning that I 
Basic documentation for soilDB package (R) now available
A proper introduction to the soilDB package is now available here. Installation and basic usage are covered. More detailed, task-specific documentation on aqp and soilDB will be available soon. read more
…Now With More Bacon (2008)!
I’m sure that Carl Bacon sighs deeply when he reads such headlines, but it is clearly appropriate in this case. Perhaps you remember that I proposed a Google Summer of Code project for 2012 around a considerable code contribution to PerformanceAnalytics from Diethelm Wuertz at ETHZ. That code was focused on adding a large number 
R Script to Build Animation of Arctic Sea Ice Extent – Update 9/3/12
In my previous post I showed an animation of Arctic Sea Ice Extent from the 1980′s through August, 2012 (link). In this post, I show how to build this Arctic Sea ice Extent animated chart. Source Data The Arctic Ice … Continue reading →
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
