Hi Doug, Could you please provide a reproducible example? It's difficult to diagnose the problem without one.
Hadley On Fri, Feb 12, 2010 at 2:46 PM, DougNiu <d...@umn.edu> wrote: > > Hi there: > > I am new to R and creating a boxplot panel chart to show a test result. > > I have four output variables (OV1, OV2, OV3, OV4) reflecting effects of the > variation of three status parameters (SP1, SP2, SP3) on them at three > different locations (Loc1, Loc2, Loc3). My plan is that displaying ONE OV > change with ONE SP over three Loc in each boxplot (i.e., Loc is X axis and > OV value is Y axis). Because there are three SP, I may need total of 12 > boxplots to show the changes of OVs with SPs. > > However, I met a problem when I used the following R code: > > p1 <- ggplot(OV.m, aes(Loc, value, ymin=value, ymax = value, > colour="grey20"))+ > + > scale_colour_identity()+facet_grid(variable~.,scales="free",as.table=FALSE)+ > + theme_bw()+opts(panel.margin=unit(0,"lines") > > where variable is the title of a column in OV.m (OV.m is melted from OV, > original data table); value is OV value for different SP. After I used p2 <- > p1 + geom_boxplot(), I found R calculated each boxplot across range of OVs > instead of calculating boxplot by OV1, OV2,... , OV4 individually. I only > got three boxplots instead of 12. > > Can any body tell me how to make OV boxplot by OV1, OV2, OV3, OV4 and SP1, > SP2, SP3? Thank you! > > > > -- > View this message in context: > http://n4.nabble.com/Need-help-on-boxplot-panel-chart-tp1490406p1490406.html > Sent from the R help mailing list archive at Nabble.com. > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > -- Assistant Professor / Dobelman Family Junior Chair Department of Statistics / Rice University http://had.co.nz/ ______________________________________________ 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.