@hansijzerman @giovbriganti I also have some R script I can share freely with you but nothing fancy I studied a specific chapter from this great book : https://t.co/XEmGBbzQnK
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[Book] Some of you may already be familiar with this book, but just in case : Modern psychometrics with R https://t.co/pVyU0e2ahe #R
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@Nate__Haines Patrick Mair's Modern Psychometrics with R (https://t.co/4W0lApX9bi) also has a section on longitudinal IRT. The code for the chapter is here: https://t.co/tnCILVcA4r
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@RickCarlsson @dingding_peng @SachaEpskamp’s course is majestic. You could also consider Patrick Mair’s book: https://t.co/0izS4HnF6D, it’s wideranging and has lots of R examples. See for our review in Psychometrika: https://t.co/CUZrKwh1Tp