rankrate (version 1.2.1)

getQ: Calculate Q Matrix

Description

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

Usage

getQ(rankings, I, J)

Value

A matrix with dimension J x 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.

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)