Temporary fix for upstream bug in iarm::person_estimates()
Source: R/easyRasch.R
RI_iarm_persons_mle.Rd
To get RIscoreSE()
working properly for cases with theta range up til
c(-10,10).
Details
code from package iarm
https://github.com/cran/iarm/blob/master/R/Person-Fit.R