Multifacets Model with sirt

General
1

Hi, I have some issues when I try to run this code.

mod2c <- sirt::rm.facets(dat[, paste0( "k", 2)], rater=dat$Rater, pid=dat$Ratee,
est.a.item = T, est.b.rater = T, est.a.rater = T, maxiter = 132)

but it said like this:
...........................................................
Iteration 1 2020-09-18 15:52:06
M steps b.rater parameter |-Error in while ((it < msteps) & (conv1 > mstepconv)) { :
missing value where TRUE/FALSE needed

Anyway, if I didn't use est.a.item, est.b.rater, est.a.rater, it would run smoothly. I would like to know if there any problems or something that make me cannot estimate the a item, b rater, and a rater?

2

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