[Bioc-devel] cummeRbund volcano plot different point size
Leonardo Collado Torres
lcollado at jhu.edu
Fri Dec 5 20:32:08 CET 2014
I believe that this question is better suited for the support site:
On Thu, Dec 4, 2014 at 2:13 PM, Ian Misner <imisner at umd.edu> wrote:
> I’m working with cummeRbund in R 3.1.1 and I’m trying to get a different
> point size for my csVolcano plot. I’ve tried two approaches an neither see
> to work.
> after loading library and the data as
> cuff <- readCufflinks(“diff_out”)
> 1)use the mapping setting for the csVoclano function
> v <- csVolcano(genes(cuff), “EP”, “PC”, showSignificant=TRUE, alpha=0.05,
> When I view this the point size stays a the default settings.
> 2) Alter the ggplot2 information after creating the plot
> t <- v + geom_point(aes(size = 2))
> This produces an error saying that “geom_point requires the following
> missing aesthetics: x, y
> if I provide those labels the points still don’t change
> t <- v + geom_point(aes(x=log10 y=log2 size =2))
> Using method two with csScatter works great and the points change size.
> What am I missing?
> Bioc-devel at r-project.org mailing list
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