On R version 2.7.0 (2008-04-22) i386-apple-darwin8.10.1 locale: C/C/en_US/C/C/C
attached base packages: [1] splines grid grDevices datasets graphics stats utils methods base other attached packages: [1] Design_2.1-1 survival_2.34-1 Hmisc_3.4-3 languageR_0.92 coda_0.13-1 lme4_0.99875-9 [7] Matrix_0.999375-9 zipfR_0.6-0 lattice_0.17-6 MASS_7.2-41 JGR_1.5-18 iplots_1.1-2 [13] JavaGD_0.5-1 rJava_0.5-1 loaded via a namespace (and not attached): [1] cluster_1.11.10 tools_2.7.0 From the xYplot() help page (as you can see from the comment, the problem had been noted---although "works differently" seems to be a euphemism for "doesn't work"--- reported by me, among others, a while ago): dfr <- expand.grid(month=1:12, year=c(1997,1998), reps=1:100) month <- dfr$month; year <- dfr$year y <- abs(month-6.5) + 2*runif(length(month)) + year-1997 s <- summarize(y, llist(month,year), smedian.hilow, conf.int=.5) # filled bands: default fill = pastel colors matching solid colors # in superpose.line (this works differently in R) xYplot ( Cbind ( y, Lower, Upper ) ~ month, groups=year, method="filled bands" , data=s, type="l") # this produces a bright red band at the top and a black band at the bottom I'll be happy to submit a bug report if this doesn't count and if you tell me how. _____________________________ Professor Michael Kubovy University of Virginia Department of Psychology USPS: P.O.Box 400400 Charlottesville, VA 22904-4400 Parcels: Room 102 Gilmer Hall McCormick Road Charlottesville, VA 22903 Office: B011 +1-434-982-4729 Lab: B019 +1-434-982-4751 Fax: +1-434-982-4766 WWW: http://www.people.virginia.edu/~mk9y/ On May 2, 2008, at 7:50 AM, Frank E Harrell Jr wrote: > Michael Kubovy wrote: >> I too have been studying the book and it is indeed outstanding. >> For my purposes the only topic missing is the straightforward >> drawing of error bars and bands, for which I've been using >> Hmisc::xYplot (where error bands seem to be broken for R) or >> gplots::barplot2. > > If these are broken in xYplot we need to have a bug report with a > small reproducible example. > > Frank [[alternative HTML version deleted]] ______________________________________________ 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.