That's great, Peter. Thanks very much.
-Whit On Tue, Oct 28, 2008 at 3:13 PM, Peter Dalgaard <[EMAIL PROTECTED]> wrote: > Whit Armstrong wrote: >> Anyone know a quick way to color one bar of a histogram? >> >> I want to mark the bar in which the most recent observation falls. >> >> So, for instance: >> >> x <- rnorm(100) >> latest.ob <- x[100] >> hist(x) >> ## how do I mark the bucket that latest.ob falls into? >> > > Something like this: > > x <- rnorm(100) > (latest.ob <- x[100]) > h <- hist(x) > bin <- as.numeric(cut(latest.ob, h$breaks)) # need as.numeric for bin+1 > lw <- h$breaks[bin] > up <- h$breaks[bin+1] > sz <- h$counts[bin] > rect(lw,0,up,sz,col="red") > > > > > -- > O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B > c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K > (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 > ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 > > ______________________________________________ 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.
