Nothing
ABarrow <-
function(){
os <- .Platform$OS.type
if (grepl("^darwin", R.version$os))
os <- "osx"
if (grepl("linux-gnu", R.version$os))
os <- "linux"
if (grepl("windows", R.version$os))
os <- "windows"
if (os =="osx") {
targetindex<-dev.cur()
targetindex<-recordPlot()
writeLines("-------------------------------------------------------------------------------------")
writeLines("1-Click the mouse on the top of the graph where the arrow should begin.")
writeLines("2-Repeat at the point of the graph for where the arrow should end.")
writeLines("-------------------------------------------------------------------------------------")
l<-locator(1)
l1<-locator(1)
arrows(x0=l$x,x1=l1$x,y0=l$y,y1=l1$y)
u<-readline("accept line? (y/n) ")
if (u=="n")
{replayPlot(targetindex)}
}
else {
writeLines(" ")
writeLines("ABarrow() command is NOT available for Windows and Posit Cloud operating systems; instead use RSarrow() command.")
writeLines("For more information on annotating graphs go to the URL below:")
writeLines("https://www.dropbox.com/s/ex7ech9atz896yo/If%20you%20are%20using%20Windows%2010%20or%20RStudio%20Cloud.docx?dl=0")
}
}
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