getQ: Calculate Q Matrix

In rankrate: Joint Statistical Models for Preference Learning with Rankings and Ratings

Calculate Q Matrix

Description

This function calculates the Q matrix given a collection of (partial) rankings.

Usage

getQ(rankings, I, J)

Arguments

rankings	A matrix of rankings, potentially with attribute "assignments" to signify separate reviewer assignments. One ranking per row.
I	A numeric entry indicating the total number of judges providing rankings and ratings.
J	A numeric entry or vector of positive integers indicating total number of objects.

Value

A matrix with dimension J x J.

Examples

rankings <- matrix(c(1,2,3,4,2,1,NA,NA),byrow=TRUE,nrow=2)
getQ(rankings=rankings,I=2,J=4)
attr(rankings,"assignments") <- matrix(c(rep(TRUE,7),FALSE),byrow=TRUE,nrow=2,ncol=4)
getQ(rankings=rankings,I=2,J=4)

rankrate documentation built on April 12, 2025, 1:46 a.m.