One possibility: update to ggplot2. The original ggplot isn't even on CRAN any longer.
When I tried your example with ggplot2, the empty bar for 4 was plotted as you'd expect. Thanks for the small reproducible example. Sarah On Thu, Mar 15, 2012 at 11:47 AM, Bart6114 <bartsmeet...@gmail.com> wrote: > Hello, > > When plotting a barchart with ggplot it drops the levels of the factor for > which no counts are available. > > For example: > > library(ggplot) > mtcars$cyl<-factor(mtcars$cyl) > ggplot(mtcars[!mtcars$cyl==4,], aes(cyl))+geom_bar() > levels(mtcars[!mtcars$cyl==4,]) > > This shows my problem. Because no counts are available for factorlevel '4', > the label 4 dissapears from the plot. However, I would still like it to show > up, but without a bar (zero observations). > > I would like to use this for the presentation of data with a Likert-like > scale. > > Thanks in advance! > Bart > -- Sarah Goslee http://www.functionaldiversity.org ______________________________________________ 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.
