Worked beautifully!  Thank you again for providing such a flexible package.  


--- On Wed, 1/28/09, hadley wickham <h.wickham@gmail.com> wrote:

From: hadley wickham <h.wickham@gmail.com>
Subject: Re: [R] Changing histogram stack in qplot
To: jasonkrupert@yahoo.com
Cc: R-help@r-project.org
Date: Wednesday, January 28, 2009, 3:32 PM

Hi Jason,

You'll need scale_fill_manual(values = c(low = "blue", middle =
"black", high = "red"))

See http://had.co.nz/ggplot2/scale_manual.html for more examples/details.

Regards,

Hadley

On Wed, Jan 28, 2009 at 3:11 PM, Jason Rupert <jasonkrupert@yahoo.com>
wrote:
> I've been using qplot pretty successfully to generate stacked
histograms.  However, it appears that I need to tweak the colors a little.
>
> I've got three temperature variables (characters not numeric) and I
need to change from the default qplot colors to the following:
> Low = Blue
> Middle = black
> High = Red
>
> Here is pseudo code of what I have currently:qplot(Run, data = TestData,
breaks = hist_breaks, ,
>           fill = TestData$Temperature,
>           main = short_title) +
>           scale_x_continuous("Run, Radians") +
scale_y_continuous("Frequency") +
>           scale_fill_discrete("Temperature")
>
> Thanks for any advice and insights.
>
>
>
>
>
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>
>
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>



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