Hi James,
There were a few problems with the 0.9.0 version, which is why it was
pulled from CRAN. I'd recommend re-installing 0.8.9:
install.packages("ggplot2", type = "source")
Hadley
On Wed, Feb 1, 2012 at 2:10 PM, J Toll <jct...@gmail.com> wrote:
> Hi,
>
> I have a question related to the newest version of ggplot2 (0.9.0). I
> just updated this morning and from CRAN it looks like the Mac version
> is the only one at 0.9.0 as of right now.
>
> http://cran.r-project.org/web/packages/ggplot2/index.html
>
> Anyway, I was in the midst of a project where I was trying to
> replicate "Back-to-back Bar Charts" in this blog post.
>
> http://learnr.wordpress.com/2009/09/24/ggplot2-back-to-back-bar-charts/
>
> My project and the example in the blog post no longer work with 0.9.0.
> I just want to figure out how to fix the blog example, and then make
> the same changes to my own work.
>
> So this is the output:
>
>> library(ggplot2)
>> library(plyr)
>> library(reshape)
>
> Attaching package: ‘reshape’
>
> The following object(s) are masked from ‘package:plyr’:
>
> rename, round_any
>
>> trade <- read.csv("http://pastie.org/pastes/629247/download";, header = TRUE,
>> stringsAsFactors = FALSE)
>> balance <- ddply(trade, .(Time), summarise, balance = sum(EXP - IMP))
>> trade.m <- melt(trade, id.vars = c("BEC", "Time"))
>> ggplot(trade.m, aes(Time)) + geom_bar(subset = .(variable ==
> + "EXP"), aes(y = value, fill = BEC), stat = "identity") +
> + geom_bar(subset = .(variable == "IMP"),
> + aes(y = -value, fill = BEC), stat = "identity") +
> + xlab("") + scale_y_continuous("Export - Import",
> + formatter = "comma")
> Error in continuous_scale(c("y", "ymin", "ymax", "yend", "yintercept", :
> unused argument(s) (formatter = "comma")
>> ggplot(trade.m, aes(Time)) + geom_bar(subset = .(variable ==
> + "EXP"), aes(y = value, fill = BEC), stat = "identity") +
> + geom_bar(subset = .(variable == "IMP"),
> + aes(y = -value, fill = BEC), stat = "identity") +
> + xlab("") + scale_y_continuous("Export - Import")
> Error in eval(expr, envir, enclos) : could not find function "=="
>
> The problem appears to be with the subsetting. Apparently something
> has changed between the versions. I've been trying to read about the
> changes between versions but so far have found so smoking gun. Any
> thoughts or suggestions as to the problem would be appreciated.
>
> Thanks,
>
> James
>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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--
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/
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