[R] IRT discrimination value (ltm and psych package)

Hello Sir, I am learning R and its syntax and I have successfully converted irt.item.diff.rasch into python code and pass the inputs as per the function made in R. In R :- function (items) { ncases <- nrow(items) item.mean <- colMeans(items, na.rm = TRUE) item.mean[item.mean < (1/n

[R] Regarding R doubt on rasch model

Hello Team, I hope you are doing well. I have one doubt about backend functioning of R command. Currently I'm working on IRT analysis in python but this function is implemented in R and in R they have direct rasch model library but no such library in the Python. So i wanted to know that is there a