irtSingle: irtSingle

In irt: irt. Spady's Item Response Model

Description

This is a single item model

Arguments

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

Value

Function returns an object of class irtSingle

Examples

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

irt documentation built on May 2, 2019, 4:53 p.m.