What have you tried so far?

The points function will add points to an existing graph (base) and the
text function will add text to an existing graph.

If those don't do what you need then give us some more details.


On Tue, Feb 26, 2013 at 2:04 PM, Debs Majumdar <debs_stata@yahoo.com> wrote:

> Hi All,
>
> I have a data set of around 17,000 gene names and their lengths. E.g.
>
>           gene      kblength
>  A3GALT2       14.333
> AADACL3       12.609
> AADACL4       22.532
>      ABCA4     128.312
>     ABCB10      42.114
>       ABCD3    100.287
> ............
> .........
>
> and I was able to draw a reverse cumulative frequency plot using the
> following code:
> d <- read.table("gene_length_data.txt", header=T)
> attach(d)
> kblength.ecdf <-ecdf(kblength)
> r <-range(kblength)
> curve(1-kblength.ecdf(x), from=r[1], to=r[2], col="red", xlim=r)
> detach(d)
>
> Here's the link to the output: http://www.tiikoni.com/tis/view/?id=5c41810
>
> I want to put markers and the corresponding gene names in the graph for a
> small list of 6 genes. i.e. say a hollow circle on the curve followed by
> the corresponding gene name.
>
> I am fighting with this but wasn't able to get a solution.
>
> Any help is appreciated.
>
> Thanks,
>  Debs
>
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>
>
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> and provide commented, minimal, self-contained, reproducible code.
>
>


-- 
Gregory (Greg) L. Snow Ph.D.
538280@gmail.com

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