SSDforR (version 1.0)

IRD: IRD line

Description

when using the IRD (Parker & Hagan-Burke, 2007) you will need to visually identify the smallest number of data points that would be needed to be removed to eliminate all overlap or ties between phases.

Usage

IRD(behavior, phaseX, v1, v2)

Arguments

behavior

behavior variable

phaseX

phase variable

v1

phase letter for first phase i.e "A"

v2

phase letter for second phase i.e "B"

References

got www.ssdanalysis.com

Examples

cry<-c(3, 4, 2, 5, 3, 4, NA, 2, 2, 3, 2, 1, 2, NA, 2, 2, 1, 2, 1, 0, 0, 0)
pcry<-c("A", "A", "A", "A", "A", "A", NA, "B", "B", "B", "B", "B", "B", NA, "B1", "B1", "B1", "B1", "B1", "B1", "B1", "B1")
IQRbandgraph(cry,pcry,"A","week","amount","Crying")
IRD(cry,pcry,"A","B")