[R] ggplot2 - bar colour

[ONKELINX, Thierry]

If you want to change the fill colours, then you need to specify fill
instead of colour

ggplot(ageincgraph, aes(x = age, y = rate, fill = era)) +
geom_bar(position = "dodge", stat = "identity") +
scale_fill_manual(values=c("red","orange","yellow"))


------------------------------------------------------------------------
----
ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek
team Biometrie & Kwaliteitszorg
Gaverstraat 4
9500 Geraardsbergen
Belgium

Research Institute for Nature and Forest
team Biometrics & Quality Assurance
Gaverstraat 4
9500 Geraardsbergen
Belgium

tel. + 32 54/436 185
Thierry.Onkelinx op inbo.be
www.inbo.be

To call in the statistician after the experiment is done may be no more
than asking him to perform a post-mortem examination: he may be able to
say what the experiment died of.
~ Sir Ronald Aylmer Fisher

The plural of anecdote is not data.
~ Roger Brinner

The combination of some data and an aching desire for an answer does not
ensure that a reasonable answer can be extracted from a given body of
data.
~ John Tukey
  

> -----Oorspronkelijk bericht-----
> Van: r-help-bounces op r-project.org 
> [mailto:r-help-bounces op r-project.org] Namens nzcoops
> Verzonden: maandag 20 september 2010 11:16
> Aan: r-help op r-project.org
> Onderwerp: [R] ggplot2 - bar colour
> 
> 
> Hi All,
> 
> I have trying to do what I thought was a reasonably simple 
> graph but I think I'm now going in circles with the colour. 
> Attached is a picture of where I'm up to.
> 
> The line creating this is:
> qplot(ageincgraph$age, ageincgraph$rate, position="dodge", 
> stat="identity", geom="bar" ) + aes( colour=ageincgraph$era) +
> scale_colour_manual(values=c("red","orange","yellow"))
> 
> Data is:
> 
> > ageincgraph
>         era  rate  age
> 1 1995-1999 21.97   <6
> 2 1995-1999 11.21 6-12
> 3 1995-1999 16.64  >12
> 4 2000-2004 10.56   <6
> 5 2000-2004 10.71 6-12
> 6 2000-2004 17.49  >12
> 7 2005-2009  6.48   <6
> 8 2005-2009  6.55 6-12
> 9 2005-2009  7.35  >12
> 
> 
> Basically I'm after the ability to specify the fill colours 
> and only seem to be able to do the outside colour. Using 
> 'scale_fill_brewer(pal="Set1/2")'
> worked to change the colours but that only has limited 
> options. The about qplot line is just where I got to after 
> trying a fair few different combinations.
> 
> Any help appreciated.
> 
> Thanks
> http://r.789695.n4.nabble.com/file/n2546693/Screen_shot_2010-0
> 9-20_at_5.11.59_PM.png
> --
> View this message in context: 
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> 6693.html
> Sent from the R help mailing list archive at Nabble.com.
> 
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