catSurv (version 1.3.0)

fisherTestInfo: Fisher's Test Information

Description

Calculates the total information gained for a respondent for all answered items, conditioned on \(\theta\).

Usage

fisherTestInfo(catObj, theta)

Arguments

catObj

An object of class Cat

theta

A numeric indicating the position on the latent trait.

Value

The function fisherTestInfo returns a numeric indicating the total information gained for a respondent, given a specific answer set and the current estimate of \(\theta\).

See Also

fisherInf

Examples

# NOT RUN {
## Loading ltm Cat object
data(ltm_cat)

## Store example answers
setAnswers(ltm_cat) <- c(1,0,1,0,1, rep(NA, 35))

## Fisher's test information for answer profile
fisherTestInfo(ltm_cat, theta = 2)


# }