Displaying 2 results from an estimated 2 matches for "357.1".
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3.7.1
2005 Mar 10
2
Logistic regression goodness of fit tests
I was unsure of what suitable goodness-of-fit tests existed in R for logistic regression. After searching the R-help archive I found that using the Design models and resid, could be used to calculate this as follows:
d <- datadist(mydataframe)
options(datadist = 'd')
fit <- lrm(response ~ predictor1 + predictor2..., data=mydataframe, x =T, y=T)
resid(fit, 'gof').
I set up a
2011 Nov 11
2
Estimating IRT models by using nlme() function
Hi,
I have a question about estimating IRT models by using nlme, not just rasch
model, but also other models.
Behavior Research Methods
<http://www.springerlink.com/content/1554-351x/> Volume
37, Number 2 <http://www.springerlink.com/content/1554-351x/37/2/>, 202-218,
DOI: 10.3758/BF03192688
Using SAS PROC NLMIXED to fit item response theory models (2005). Ching-Fan