[R] DIF

[Richard M. Heiberger]

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.rock at 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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