I recommend the likert() function in the HH package.
install.packages("HH")
library(HH)
?likert
On Tue, Dec 9, 2014 at 3:22 AM, munevver kaya <munevver.r...@gmail.com> wrote:
> Hello,
> I will analyze polytomous differential item functioning for IRT. I have a
> Likert type scale. For example, I want to analyze items in term of gender.
> Is lordifsufficient for this or are there any other packages in R
> programme?
> Best Regards,
>
> [[alternative HTML version deleted]]
>
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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