ABttest: T-test comparing phases

In SSDforR: Functions to Analyze Single System Data

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")

SSDforR documentation built on Nov. 24, 2023, 5:08 p.m.