[R] ggplot2-geom_text()

[Felipe Carrillo]

Thanks Paul, I tried to use ..count.. once but it didn't work. What I realized I was missing 'stat="bin"'. Thanks for your help.


--- On Mon, 3/30/09, Paul Murrell <p.murrell at auckland.ac.nz> wrote:

> From: Paul Murrell <p.murrell at auckland.ac.nz>
> Subject: Re: [R] ggplot2-geom_text()
> To: mazatlanmexico at yahoo.com
> Cc: r-help at stat.math.ethz.ch
> Date: Monday, March 30, 2009, 2:46 PM
> Hi
> 
> 
> Felipe Carrillo wrote:
> > Hi: I need help with geom_text().
> >  I would like to count the number of Locations
> >  and put the sum of it right above each bar.
> > 
> > x <- "Location Lake_dens Fish Pred
> > Lake1		1.132	1	0.115
> > Lake1		0.627	1	0.148
> > Lake1		1.324	1	0.104
> > Lake1		1.265	1	0.107
> > Lake2		1.074	0	0.096
> > Lake2		0.851	0	0.108
> > Lake2		1.098	0	0.095
> > Lake2		0.418	0	0.135
> > Lake2		1.256	1	0.088
> > Lake2		0.554	1	0.126
> > Lake2		1.247	1	0.088
> > Lake2		0.794	1	0.112
> > Lake2		0.181	0	0.152
> > Lake3		1.694	0	0.001
> > Lake3		1.018	0	0.001
> > Lake3		2.88	0	0"
> > DF <- read.table(textConnection(x), header = TRUE)
> >  p <- ggplot(DF,aes(x=Location)) + geom_bar()
> >  p + geom_text(aes(y=Location),label=sum(count)) #
> Error because count doesn't exist in dataset
> > 
> >  What should I use instead of 'count' to be
> able to sum the number
> >  of Locations?
> 
> 
> How about ... ?
> 
>  p + geom_text(aes(label=..count..), stat="bin",
>                vjust=1, colour="white")
> 
> Paul
> 
> 
> > Felipe D. Carrillo  
> > Supervisory Fishery Biologist  
> > Department of the Interior  
> > US Fish & Wildlife Service  
> > California, USA
> > 
> > ______________________________________________
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> > and provide commented, minimal, self-contained,
> reproducible code.
> 
> -- 
> Dr Paul Murrell
> Department of Statistics
> The University of Auckland
> Private Bag 92019
> Auckland
> New Zealand
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> paul at stat.auckland.ac.nz
> http://www.stat.auckland.ac.nz/~paul/