Plotting colour-coded points
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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