Dear Sebastien, You are looking for geom_polygon().
Best regards, ir. Thierry Onkelinx Instituut voor natuur- en bosonderzoek / Research Institute for Nature and Forest team Biometrie & Kwaliteitszorg / team Biometrics & Quality Assurance Kliniekstraat 25 1070 Anderlecht Belgium To call in the statistician after the experiment is done may be no more than asking him to perform a post-mortem examination: he may be able to say what the experiment died of. ~ Sir Ronald Aylmer Fisher The plural of anecdote is not data. ~ Roger Brinner The combination of some data and an aching desire for an answer does not ensure that a reasonable answer can be extracted from a given body of data. ~ John Tukey 2015-10-21 11:20 GMT+02:00 sbihorel <sebastien.biho...@cognigencorp.com>: > Hi > > I would like to use ggplot2 to create a 2d plot showing a series of shaded > areas that are not continuous with respect to the x-axis variable. The > expected result is illustrated below using lattice/grid functions. > > ------------- > pdata <- data.frame( > x=c(1,2,2,1,NA,3,4,4,3,NA,5,6,6,5), > y=c(3,3,2,2,NA,2,2,1,1,NA,2.5,3,2,2)) > > lattice::xyplot((1:6)~(1:6),panel=function(pdata=pdata){ > grid::grid.polygon(pdata$x,pdata$y, > default.units='native', > gp=grid::gpar(fill=1,col=NULL,lty=0)) > },pdata=pdata) > ------------- > > Here is my attempt to reproduce this plot in ggplot. > > ------------- > library(ggplot2) > data <- data.frame( > x=c(1,2,NA,3,4,NA,5,6), > ymin=c(2,2,NA,1,1,NA,2,2), > ymax=c(3,3,NA,2,2,NA,2.5,3) > ) > > ggplot(data,aes(x=x))+geom_ribbon(aes(ymin=ymin,ymax=ymax)) > ------------- > > Obviously, either geom_ribbon expects continuity in the data or I need to > setup my data and/or call differently... > > Thanks for your help > > Sebastien > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.