% Generated by roxygen2: do not edit by hand % Please edit documentation in R/res_ij.R \name{res_ij} \alias{res_ij} \title{Compute rasch person-item residuals} \usage{ res_ij(thetahat_i, delta_hat_j, res, beta = 0) } \arguments{ \item{thetahat_i}{Person parameter estimate for person i} \item{delta_hat_j}{Item threshold parameter estimates for item j} \item{res}{Response of person i to item j} \item{beta}{Estimated latent mean difference between groups, can be ignored} } \value{ A single scalar equal to the residual for person i on item j } \description{ This function computes person-item residuals for rasch family adjacent-categories models like the Rasch model or the PCM }