We're having problem with starting values in glm(). A very simple logistic regression with just an intercept with a very simple starting value (beta=5) blows up....
Blog Archives
Attractive but hard-to-read graph could be made much much better
Matthew Yglesias shares this graph from the Economist: I hate this graph. OK, sure, I don't hate hate hate hate it: it's not a 3-d exploding pie chart or anything. It's not misleading, it's just extremely difficult to read. Basically,...
The R code for those time-use graphs
By popular demand, here's my R script for the time-use graphs:...
Trends in partisanship by state
Matthew Yglesias discusses how West Virginia used to be a Democratic state but is now solidly Republican. I thought it would be helpful to expand this to look at trends since 1948 (rather than just 1988) and all 50 states...
Age and happiness: The pattern isn’t as clear as you might think
A couple people pointed me to this recent news article which discusses "why, beyond middle age, people get happier as they get older." Here's the story: When people start out on adult life, they are, on average, pretty cheerful. Things... ...
Could someone please set this as the new R default in base graphics?
par (mar=c(3,3,2,1), mgp=c(2,.7,0), tck=-.01) Thank you....
World Economic Forum Data Visualization Challenge
Jaidev Deshpande writes: The World Economic Forum recently posed a data visualization problem. The dataset is a survey of experts from the so called "Agenda Councils" of the WEF. Here are the details. The dataset primarily contains the experts...
A use for tables (really)
After our recent discussion of semigraphic displays, Jay Ulfelder sent along a semigraphic table from his recent book. He notes, "When countries are the units of analysis, it's nice that you can use three-letter codes, so all the proper names....
Getting arm and lme4 running on the Mac
Our "arm" package in R requires Doug Bates's "lme4" which fits multilevel models. lme4 is currently having some problems on the Mac. But installation on the Mac can be done; it just takes a bit of work. I have two...
Mandelbrot and Akaike: from taxonomy to smooth runways (pioneering work in fractals and self-similarity)
Mandelbrot on taxonomy (from 1955; the first publication about fractals that I know of): Searching for Mandelbrot on the blog led me to Akaike, who also recently passed away and also did interesting early work on self-similar stochastic proces...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
