RMarrow: Draw arrow on graph. For use with Rmarkdown.

In SSDforR: Functions to Analyze Single System Data

Draw arrow on graph. For use with Rmarkdown.

Description

This function enables users to draw an arrow on a graph. For example, an arrow can be drawn from a text label of a critical event to a point on the graph. For Use with Rmarkdown.

Usage

RMarrow(X1,Y1,X2,Y2)

Arguments

X1	X1 coordinate
Y1	Y1 coordinate
X2	X2 coordinate
Y2	Y2 coordinate

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. p46-p50

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 ABplot(cry,pcry,"week","amount","Crying")
# now run RMarrow(9,10,11,10)

SSDforR documentation built on June 8, 2025, 11:48 a.m.