Posts Tagged ‘ Research Method ’

Link C with R

August 7, 2008

I should have posted this earlier. In my previous post, I have discussed the speed issue in R briefly. The speed issue unfortunately are two of the shortcomings of R. The other one is that R does not handle big data set very well. So instead of wai...

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Smart programming saves computing times

June 21, 2008

Recently, I tried to learn C language so that I can write a C addon for some R rountines to redress the speed issue in R. In my last post here, I have documented how a simple trick can speed up R. Nonetheless, I had an example which shows that smart...

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Ordered logistic model with varying intercepts (random effects)

March 2, 2008

I coauthor a paper with Ozan, a friend who I know when I was TAing Bayesian Methods in ICPSR. The paper tries to see if the 9/11 has any effect on American's attitudes on Muslim. We have dataset from different years: 2 from pre-9/11 periods and 2 from ...

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