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...rking on here. I notice when I output the graph to the dataset "mp" then it's value is NULL. Is the stripchart design to be outputted like other graphs? What is the correct syntax to change the position of the x-axis? library(lattice) par(mar = c(7, 4, 4, 2) + .9) mp<-stripchart(InitialScore+FinalScore ~ Scale,data=mpi, vertical=TRUE, method="jitter",pch=1:11,col=1:11, ylab="Scale (0-100)") axis(1, at = mp, labels = FALSE) text(mp,par("usr")[3] - 0.5,srt = 45, adj = 1.1,labels = mpi$Scale,xpd = TRUE) Error in text.default(mp, par("usr")[3] -...