equateIRT (version 2.2.0)

linkp: Linkage Plan

Description

Calculates the number of common items between a list of forms.

Usage

linkp(coef)

Arguments

coef

list of matrices (one for each form) containing item parameter estimates. The names of the rows of each matrix should be the names of the items.

Value

A matrix whose elements indicate the number of common items between the forms. On the diagonal of the matrix there are the number of items of each form.

See Also

est2pl, est3pl, estrasch

Examples

# NOT RUN {
data(est3pl)
linkp(coef = est3pl$coef)
# }