Blog Archives

Integrating R and Gedit

August 2, 2010
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Here is how to integrate R and Gedit using Rgedit plugin.

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NetLogo-R-Extension

August 1, 2010
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NetLogo-R-Extension

Here is a bridge between NetLogo and R, which looks very interesting. But I was not able to get it work on my Ubuntu box (running the latest R).

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Red-R

July 29, 2010
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Red-R

Red-R seems to have some interesting ideas behind it. Of course it needs some time to mature.

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Flexmix taks long time…

July 19, 2010
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Flexmix taks long time…

I am running a mixture logit model on a sample of 10,000 cases. The model takes a long time (3-4 hours) to run, which makes it nearly impossible to try different specifications and such. It probably makes sense to use a subsample for exploratory analys...

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Npmlreg and Flexmix

July 18, 2010
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Npmlreg and Flexmix

In my attempt to estimate a mixture regression model for the long-term impact of prenatal famine exposure, I compared results obtained from NPMLREG and Flexmix using the "rainfall" data set came with the package "forward" and was able to achieve identi...

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Latent variable analysis package for R

July 17, 2010
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Latent variable analysis package for R

This is another R package for latent variable analysis. I hope it can soon include multilevel and mixture modeling capacity. Another promising package is OpenMx, which is also under active development and very promising. At this moment, OpenMx seems to...

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Convergence diagnostics with MCMCglmm

July 5, 2010
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Convergence diagnostics with MCMCglmm

MCMCglmm does not produce more than one chain. So the way to check convergence is to run the model twice, each with different starting values, then conduct the diagnostic with:gelman.diag(m1$Sol, m2$Sol)

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A quetion

June 21, 2010
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A quetion

I posted a question to the R-Mixed-Model mailing list but have not had any responses yet:--------------------------------------------------------------------------------------- Dear All,I wonder if anybody has tried to make glmmBUGS work with JAGS. Mya...

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R-INLA package

June 19, 2010
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R-INLA package

Another R package for mixed effect modeling. Looks promising.

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Sweave with Emacs and ESS, problem solved!

May 9, 2010
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Sweave with Emacs and ESS, problem solved!

With help from Seb, the nagging problem I had when trying to sweaving with Emacs and ESS (http://old.nabble.com/ESS-and-Sweave-td28339734.html) has been solved.First of all, apply the patch for ess-swv.el, provided by Seb. Second, set the default ...

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