Posts Tagged ‘ multilevel model ’

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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GLMM revisted

March 5, 2010
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GLMM revisted

A short while ago, I reported some discrepancies between the results produced by "lme4" and other R packages as well as Stata. Today I upgraded to the most recent version of "lme4a" and re-ran my model. The error of false convergence disappea...

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An interesting paper

February 27, 2010
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An interesting paper

Ben Bolker has an interesting paper (outline of a paper) comparing different approaches to estimate GLMM in R environment, which is very helpful to what I am doing right now.The paper pointed out the following options to fit GLMM using R:glmerglmmMLglm...

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Generalized linear mixed effect model problem

February 16, 2010
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Generalized linear mixed effect model problem

I am trying to compare cohort difference in infant mortality using generalized linear mixed model. I first estimated the model in Stata:xi:xtlogit inftmort i.cohort, i(code)which converged nicely:Fitting comparison model:Iteration 0:   log likelih...

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Handling hierarchical data structure in R

February 11, 2010
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Handling hierarchical data structure in R

R has a comprehensive set of tools for the handling of hierarchical data structure. The most widely used package is probably "nlme" and "lme4", contributed by Douglas Bates and colleagues. While "nlme" is older and probably more mature than "...

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