On Dec 19, 2012, at 11:28 AM, Katherine Gobin wrote: > Respected R forum > > I am learning R and relatively quite new to R. I am generating a scatter-plot > as given below. (My actual table is much larger). > > > > # Sample data frame > > > y = c(20, 23, 17, 31, 68) > x = c(200, 300, 400, 500, 600) > > plot(x, y, type = 'l') > > If I plot this scatter-plot in excel, the data values are displayed if I > place the cursor at some desired place of the graph. E.g. if I place the > cursor say at the point (400, 31), then the value (400, 31) is displayed. > > My question(s) are
.... easily answered by looking at the help pages. > (A) once I plot a graph in R, is it possible to display a particular (x, y) > co-ordinate by placing the cursor there? ?locator > > (B) Suppose I have 100 pairs of (x, y ). then is it possible to display in > the graph (irrespective of the curosr position) the values of (x, y) > corresponding to say 10th, 20th, 30th, 40th etc. observations in the graph. ?text ?"%/% -- David Winsemius Alameda, CA, USA ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
