ABautoacf {SSDforR}

Autocorrelation at any lag for a phase

Description

This function tests for autocorrelation for any lag. Should be used with samples greater than or equal to six. Also produces significance graph for lags. The Box-Ljung test of significance is performed for all lags up to and including the specified one.

Usage

ABautoacf(behavior, phaseX, v, l)

Arguments

behavior

behavior variable

phaseX

phase variable

v

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

l

number of lags (e.g. 1, 2, 3)

Author(s)

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

References

Go to www.ssdanalysis.com for more information.

Auerbach, Charles, and Zeitlin Wendy. SSD for R: An R Package for Analyzing Single-Subject Data. Oxford University Press, 2014. p42 ,p141

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")
ABautoacf(cry, pcry, "B", 2)