p.13 of
http://www.winsteps.com/a/winsteps-tutorial-2.pdf
Mike wrote this for me:
log (Pnij / Pni(j-1) ) = Bn - Di - Fj where Fj is the Andrich Threshold between categories j-1 and j.
Statsitics, Research Methods, SAS, R, HLM, Rasch model
Statsitics, Research Methods, SAS, R, HLM, Rasch model
p.13 of
http://www.winsteps.com/a/winsteps-tutorial-2.pdf
Mike wrote this for me:
log (Pnij / Pni(j-1) ) = Bn - Di - Fj where Fj is the Andrich Threshold between categories j-1 and j.