I am using Rasch modelling with TAM package in R. I have a many facet model, with nearly 3,000 candidates, across 325 examiners. The scores range from 0 - 2.

I want to plot adjusted (expected?) scores against the observer scores, like so:

📷

I have tried a million ways, but I am sure I am missing something. How can I compute the adjusted scores (is it expected or predicted)?