search for: vermunt

Displaying 3 results from an estimated 3 matches for "vermunt".

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2011 May 11
3
Vermunt's LEM in R
I don't know of any R package that can match all the functionality of LEM eg fitting equality constraints to model parameters a la LISREL. WRT dumping tables, I would have thought that as.data.frame.table does pretty much what you want, [not tested] newtab <- as.data.frame(table(a,b,c)) cat("dim\n") for(i in seq(1, ncol(newtab)-1) { cat(nlevels(newtab[,1]," ") }
2011 Mar 22
2
Popularity of R, SAS, SPSS, Stata, Statistica, S-PLUS updated
Greetings, I've just put out the latest version of "The Popularity of Data Analysis Software" at http://r4stats.com/popularity. This update includes complete data for 2010, the addition of number of blogs for each software, more coverage of Statistica, and, where possible, measures regarding the implementations of the SAS Language: Carolina and the World Programming System (WPS).
2012 Jul 04
1
How do you impute missing data using Latent Class Model (poLCA package)
...tes, particularly when the underlying data are asymmetric or multimodal." However instead of using Yucel Recai, Yulei He, and Alan Zaslavsky's rounding strategy [ http://amstat.tandfonline.com/doi/pdf/10.1198/000313008X300912] , I opted for the Latent Class Model: http://spitswww.uvt.nl/~vermunt/ginkel2007.pdf Who are the authors of the R package poLCA. Thanks Chris [[alternative HTML version deleted]]