Hi Saad, Please have a look at
http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example and/or http://adv-r.had.co.nz/Reproducibility.html for some suggestions on how to ask a question on R-help In particular it would be handy to have some sample data in dput() format. I always mess up geom_bar() calls and at the moment don't understand exactly what you are doing here qplot(factor(Value),data=dat1, geom="bar",fill=factor(Type)) John Kane Kingston ON Canada > -----Original Message----- > From: smk...@mail.missouri.edu > Sent: Sat, 10 Sep 2016 01:55:18 +0000 > To: r-help@r-project.org > Subject: [R] GGplot annotate by facet > > Hi, > > I have a dataframe which I need to plot in ggplot2 it looks like this :- > > head(nodelta_firstexon) > Value Type Histone > 1 0.06 high H3K27ac > 2 0.12 low H3K27ac > 4 0.04 high H3K27me3 > 5 0.16 low H3K27me3 > 7 0.02 high H3K36me3 > 8 0.13 low H3K36me3 > > I have another data frame with p-v alues that looks like this :- > > > head(mypval_df) > > Histone count pvalues > > 1 H3K9ac 0 0.000 > > 2 H3K27me3 0 0.000 > > 3 H3K36me3 1000 1.000 > > 4 H3K4me3 583 0.583 > > 5 H3K4me1 882 0.882 > > 6 H3K27ac 970 0.970 > > This is how I plot the first dataframe using ggplot > p <- > qplot(factor(Value),data=nodelta_firstexon,geom="bar",fill=factor(Type))+facet_wrap(~Histone) > > Next I need to annotate p-values (p <= mypval_df$pvalues) to each facet > using the mypval_df. > > I can't seem to find an example on how to do it. Would appreciate any > help. > > Regards > Saad > > [[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. ____________________________________________________________ Can't remember your password? Do you need a strong and secure password? Use Password manager! It stores your passwords & protects your account. ______________________________________________ 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.
