ABttest {SSDforR} | R Documentation |
T-test comparing phases
Description
Computes t-test comparing any twp phases selected by user. Bar graph displaying means for each phase is displayed in the graph window.
Usage
ABttest(behavior, phaseX, v1, v2)
Arguments
behavior |
behavior variable |
phaseX |
phase variable |
v1 |
letter of first phase (e.g., "A") |
v2 |
letter of second phase (e.g., "B") |
Author(s)
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. p87, p91, p146-147
Auerbach, C. & Schudrich, W. Z. (2013). SSD for R A Comprehensive Statistical Package to Analyze Single-System Data. Research on Social Work Practice, 23(3), 346-353. doi:10.1177/104973153477213
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")
# now run ABttest(cry,pcry,"A","B")
[Package SSDforR version 1.5.34 Index]