[BioC] annotate histograms

[Kevin R. Coombes]

It's simpler to use the "rug" function....

On 11/1/2011 11:11 AM, Janet L Smith wrote:
> Set the y-axis on your histogram to start at a negative value, then use segments to draw the lines.
>
> hist (your_data, ylim=c(-10,100))
> segments (15,-0, 15, -20, col="red")
>
>
> Janet Smith
> Research Scientist
> Department of Biology
> MIT
> Building 68-540D
> Cambridge, MA 02139
> ________________________________________
> From: bioconductor-bounces at r-project.org [bioconductor-bounces at r-project.org] On Behalf Of Wendy Qiao [wendy2.qiao at gmail.com]
> Sent: Tuesday, November 01, 2011 12:01 PM
> To: bioconductor at r-project.org
> Subject: [BioC] annotate histograms
>
> Hi all,
>
> I am plot the gene expression data using histograms. I want to mark the
> expression of certain level of certain genes on the figure as shown in sure
> here<http://nar.oxfordjournals.org/content/39/suppl_1/D1011/F1.expansion.html>.
> Does anybody know how to add the red markers under bars.
>
> Thank you in advance.
>
> Wendy
>
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