Saturday, December 25, 2010

Friday, December 17, 2010

Where to find good data sets

This post provides some good information on where to find good data sets for statistical analysis.

Thursday, December 09, 2010

Programming languages on the rise

This post list seven programming languages that are rising, from Python to Ruby to R to... Cobol.

Monday, December 06, 2010

Very interesting blog

That is a very interesting blog on R + LaTeX + Sweave!

Saturday, December 04, 2010

Comparison of results

I am doing a simple comparison of different estimation procedures in dealing with a simple binomial model. Here is where I got started:
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library(INLA)
library(npmlreg)
library(MCMCglmm)
library(DPpackage)


data(Seeds)


# Using INLA
formula = r ~ x1*x2 + f(plate, model="iid")
mod.inla = inla(formula, data=Seeds, family="binomial", Ntrials=n)
summary(mod.seeds)


# Using npmlreg
mod.ml <- alldist(cbind(r, n-r) ~ x1*x2 , random=~1, data=Seeds, family=binomial, random.distribution="gq")
summary(mod.ml)


# Using MCMCglmm
prior <- list(R=list(V=1, nu=0.002))
mod.mcmc <- MCMCglmm(cbind(r, n-r) ~ x1*x2, family="multinomial2", data=Seeds, prior=prior)
summary(mod.mcmc$Sol)


# Using DPpackage
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I will keep updating by adding new things (estimation procedures, predictive simulations, etc.)

Wednesday, December 01, 2010

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