SSDforR (version 1.0)

ABWilcox: Wilcoxin Rank Sum between 2 phases

Description

performs a two-sample Wilcoxon test between any two phases. Nonparametric test to compare means. This test should only be used if there is not a trend in either phase AND there is no problem with autocorrelation in either phase.

Usage

ABWilcox(behavior, phaseX, v1, v2)

Arguments

behavior

behavior variable

phaseX

phase variable

v1

first phase letter i.e. "A"

v2

second phase letter i.e. "B"

References

Go to www.ssdanalysis for more information

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")
ABWilcox(cry,pcry,"A","B")