I need to discuss a scatter plot and would like to refer to particular regions of the plot. Is there any way to 'highlight' particular sections of the plot? Perhaps with boxes and labels as below?
set.seed(1410)
dsmall<-diamonds[sample(nrow(diamonds), 100), ]
df<-data.frame("x"=dsmall$carat, "y"=dsmall$price)
p <-ggplot(df, aes(x, y))
p <- p + geom_point(alpha=2/10, shape=21, fill="blue", colour="black", size=5)
