The limits are more narrow than the data. ggplot2 treats data outside the limits as NA.
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 2015-04-23 12:06 GMT+02:00 Axel Urbiz <axel.ur...@gmail.com>: > Hello, > > I'm getting a warning message from the reproducible example below. > > Why would geom_errorbar() remove 2 cases in this case? Both upper and lower > limits of the error bar contain var1 and are within the axis limits. > > > df <- data.frame(var1 = seq(0, 1, 0.1), var2 = seq(0, 1, 0.1)) > df$ll <- ifelse(df$var1 == 0, 0, df$var1 - 0.05) > df$ul <- ifelse(df$var1 == 1, 1, df$var1 + 0.05) > pp1 <- ggplot(data = df, > aes(x = var2, y = var1)) + > geom_line() + geom_point() + > scale_x_continuous(limits = c(0, 1), breaks = seq(0, 1, 0.1)) + > scale_y_continuous(limits = c(0, 1), breaks = seq(0, 1, 0.1)) > pp1 > pp2 <- pp1 + geom_errorbar(data=df, > aes(ymin=ll,ymax=ul), width=0.02) > pp2 > Warning message: > In loop_apply(n, do.ply) : > Removed 2 rows containing missing values (geom_path). > > > > Thanks for any pointers. > > Best, > Axel. > > [[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. > [[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.
