Hi, I'm having problems with qplot and the order of numeric factor levels.
Factors with numeric levels show up in the order in which they appear in the data, not in the order of the levels (as far as I understand factors!) Here is a minimal example: library(ggplot2) y <- c(-1,2,0,0,-2,-1) z <- factor(y,levels=c(-2,-1,0,1,2)) qplot(z) For me, the resulting plot is ordered: -1,2,0,-2 By contrast, plot(z) is neatly ordered -2,-1,0,1,2 What am I not getting? Thanks for any pointers, Marianne ______________________________________________ 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.
