> PS: If you care to explain: why do all parameters in the code below > have a "." before the name, except precisely "limits"? I know it has > to do with "proto", but could not find out why this one was different.
Not really - I started off with the convention that variables should start with a . to distinguish them from functions of the same name. Unfortunately I forgot about the convention later on, so the code is a bit confusing! (And sorry for the confusion of limit vs. limits) Hadley > ================= > [...] The fix will be included in the next version of > ggplot, or you can fix the current version by running this code: > > ScaleContinuous$new <- function(., name=NULL, limits=c(NA,NA), > breaks=NULL, labels=NULL, variable, trans="identity", expand=c(0.05, > 0)) { > if (is.null(breaks) && !is.null(labels)) stop("Labels can only be > specified in conjunction with breaks") > > .$proto(name=name, .input=variable, .output=variable, > limits=limits, .breaks = breaks, .labels = labels, .expand=expand) > } > > ============================================================== > At 23:01 2007/12/11, you wrote: > >Hi Pedro, > > > >It seems to work for me: > > > >qplot(mpg, wt, data=mtcars) > >qplot(mpg, wt, data=mtcars) + scale_y_continuous(limit=c(4,5)) > > > >Maybe I don't understand what you're trying to do. > > > >Hadley > > > >On 12/11/07, Pedro de Barros <[EMAIL PROTECTED]> wrote: > > > Hi Hadley, > > > > > > Well, the problem seems to be that ggplot is not recognizing the > > > scale when set by scale_y_continuous, the maximum value stays exactly > > > at the data range, irrespective of what I provide as range. > > > I am not familiar yet with proto, therefore I do have some difficulty > > > delving into the code to find out exactly what is wrong, but I hope > > > you can tell if I am doing something pretty stupid, or f it is a > > > feature or a bug... > > > > > > Cheers, > > > Pedro > > > At 21:15 2007/12/11, you wrote: > > > >Hi Pedro, > > > > > > > >What's the problem exactly? You'll need to compute the range > > > >yourself, and then use scale_y_continuous as you have below. > > > > > > > >(Also you can abbreviate the bar chart plotting command to: > > > >qplot(x, y, data=plotdata, geom="bar", stat="identity")) > > > > > > > >Hadley > > > > > > > >On 12/11/07, Pedro de Barros <[EMAIL PROTECTED]> wrote: > > > > > Dear All (probably Hadley), > > > > > > > > > > I am now trying to customise some plots using a bar geom. > > > > > > > > > > I do not want to use the default binning statistic, but rather > > > > > calculate the bar heigths separately. I do manage this, but for > > > > > comparison purposes I would like to have a set of plots all with the > > > > > same y-axis height. But I do not seem to find out how to fix the > > > > > scale of the y-axis in this case. > > > > > Any tips? > > > > > Using R 2.6.1 on Windows. > > > > > > > > > > Thanks for any help, > > > > > Pedro > > > > > > > > > > I attach below the code I am using: > > > > > plotdata<-data.frame(x=factor(2:8), y=0.1*(2:8)) > > > > > plot1<-ggplot() > > > > > plot1<-plot1+layer(data=plotdata, > > > > > mapping=aes_string(x='x',y='y'),geom='bar', stat='identity') > > > > > > > > > > RangeY <-c(0,1) > > > > > YBreaks <- (0:10)*diff(RangeY)/10 > > > > > YTickLabels<- as.character(YBreaks) > > > > > > > > > > plot2 <- plot1 + scale_y_continuous(limits=RangeY, breaks=YBreaks, > > > > > labels=YTickLabels, expand=c(0,0)) > > > > > print(plot2) > > > > > > > > > > ______________________________________________ > > > > > 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. > > > > > > > > > > > > > > > > >-- > > > >http://had.co.nz/ > > > > > > > > > > > >-- > >http://had.co.nz/ > > -- 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.