theta.max {MiscPsycho} | R Documentation |
Returns the MLE for the Rasch Model given a set of item parameters
theta.max(x, betas)
x |
Vector of item responses |
betas |
Vector of Rasch location parameters |
Harold Doran
irt.ability for a more general function
x <- c(1,1,1,0,0,1) b <- c(-1, -.5, 0, 0, .5, 1) theta.max(x, b)