Message-ID: <414552.9042.qm@web38407.mail.mud.yahoo.com>
Date: 2011-01-05T22:00:35Z
From: John Kane
Subject: Plotting colour-coded points
In-Reply-To: <AANLkTimTPoj3djguNcKjpocm5S_dwtMHeTr3t8sdT85J@mail.gmail.com>
With xx as your data.frame
library(ggplot2)
qplot(a, id, data=xx, color=b)
--- On Wed, 1/5/11, ANJAN PURKAYASTHA <anjan.purkayastha at gmail.com> wrote:
> From: ANJAN PURKAYASTHA <anjan.purkayastha at gmail.com>
> Subject: [R] Plotting colour-coded points
> To: r-help at r-project.org
> Received: Wednesday, January 5, 2011, 2:00 PM
> Hi,
> I have a file of the following type:
>
> id? ? a? ? ? ? b
> 1???0.5? ? ???5
> 2???0.7? ? ? 15
> 3???1.6? ? ???7
> 4? ? 0.5? ???25
> ....................
>
> I would like to plot the data in column a on the y-axis and
> the
> corresponding data in column id on the x-axis, so
> plot(a~id).? However I
> would like to colour these points according to the data in
> column b.
> column b data may be colour coded into the following bins:
> 0-9; 10-19;
> 20-29.
> Any idea on how to accomplish this?
> TIA,
> Anjan
>
> --
> ===================================
> anjan purkayastha, phd.
> research associate
> fas center for systems biology,
> harvard university
> 52 oxford street
> cambridge ma 02138
> phone-703.740.6939
> ===================================
>
> ??? [[alternative HTML version deleted]]
>
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