SSDforR (version 1.5.38)

trendtests: Tau Trend test and Sen's slope test for single phase

Description

Conducts a Mann-Kendall trend test for any phase.

Usage

trendtest(behavior, phaseX, v1)

Arguments

behavior

behavior variable

phaseX

phase variable

v1

phase letter (e.g., "A")

Author

Charles Auerbach, PhD Wurzweiler School of Social Work Wendy Zeitlin, PhD Montclair State University

References

Auerbach, Charles, and Zeitlin Wendy. SSD for R: An R Package for Analyzing Single-Subject Data. Oxford University Press, 2014. p34, p35-36, p134

Go to www.ssdanalysis.com 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")
trendtest(cry,pcry,"A")