search for: ctlmed

...me how to draw median lines on each group and not all plot long. ctl <- c(4.17,5.58,5.18,6.11,4.50,4.61,5.17,4.53,5.33,5.14) trt <- c(4.81,4.17,4.41,3.59,5.87,3.83,6.03,4.89,4.32,4.69) group <- gl(2,10,20, labels=c("Ctl","Trt")) weight <- c(ctl, trt) ctlmed <- median(weight[which(group == "Ctl")]) trtmed <- median(weight[which(group == "Trt")]) plot.default(weight ~ group,axes=F) axis(2,col.axis = "blue",las=1,cex.axis=0.7,xpd=TRUE) axis(1, labels=levels(group),at=1:length(unique(group)),las=2,cex.axis=0.7) #h...