help(stat_summary) suggests you use the fun.args=list(...) argument to pass arguments to the fun.* functions. Try replacing mult=1 by fun.args=list(mult=1).
It is possible that ggplot2::stat_summary changed its behavior since that web page was written or that the web page was always wrong. -Bill On Wed, Mar 31, 2021 at 11:03 PM Mahmood Naderan-Tahan <mahmood.nade...@ugent.be> wrote: > > Hi, > > I followed the example described at [1] but I don't know why I get the > following warning > > > > library(ggplot2) > > library(Hmisc) > > mydata <- read.csv('test.csv', header=T,row.names=1) > > mydata > V1 V2 V3 V4 > P1 73.6 0.7 74.6 R > P2 75.2 0.7 75.8 R > P3 6.5 0.0 7.3 R > P4 41.4 0.3 39.2 C > P5 5.4 0.1 18.2 C > P6 18.8 0.3 30.3 C > > p <- ggplot(mydata, aes(x=V4, y=V1)) + geom_violin(trim=FALSE) > > p + stat_summary(fun.data="mean_sdl", mult=1, > + geom="crossbar", width=0.2 ) > Warning message: > Ignoring unknown parameters: mult > > > How can I fix that? > > > > [1] > http://www.sthda.com/english/wiki/ggplot2-violin-plot-quick-start-guide-r-software-and-data-visualization > > > Regards, > Mahmood > > [[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. ______________________________________________ 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.