diffdepprop (version 0.1-9)

count.fourfold: Counts the numbers of discordance and concordance of two tests

Description

In the case two dependent tests shall be compared a fourfold table is mostly needed. count.fourfold counts the numbers of concordance and discordance of both tests.

Usage

count.fourfold(data, col.test1, col.test2)

Arguments

data

name of the data

col.test1

number of column representing the first test

col.test2

number of column representing the second test

Value

A vector containing the four entries of the fourfold table, row wise listed

Examples

# create a data set with zero and ones for each of both tests
v1=c(rep(1,10),rep(0,4),rep(1,8),rep(0,8))
v2=c(rep(0,10),rep(1,5),rep(0,5),rep(1,10))
n=c(seq(1,30,1))
new=cbind(n,v1,v2)
# count the number of concordance and discordance
count.fourfold(new,1,2)