irtMulti: irtMulti
In irt: irt. Spady's Item Response Model

Description Arguments Value Examples

This is a multiple single item model

`r`	is a vector of ordered outcomes
`W`	is a matrix of characteristics

Function returns an object of class irtSingle

# -----------------------------------------
# Example 1. 
# Do not run
data(elections)
attach(elections)
Wx <- cbind(age,agesq.01,black,bornagain)
rmulti <- cbind(govtakecarewhocant,govguareatsleep)
#res <- irtSingle(r=rmulti,W=Wx )
detach(elections)