Re: [R] plot matrix

From: jim holtman <jholtman_at_gmail.com>
Date: Thu, 14 Feb 2008 12:23:06 -0500

transpose the matrix and then use 'matplot'

On 2/14/08, Marek Bartkuhn <Marek.Bartkuhn_at_gen.bio.uni-giessen.de> wrote:
> Dear R users,
>
>
> I like to plot a matrix A which looks like this:
>
>
> ,1 ,2 ,3 ,4
>
> 1, 1 10 100 1000
> 2, 0.5 0.2 1.0 4.3
> 3, 0.1 0.2 0.3 0.5
>
> .....
>
>
> where the 1st row is representing the X-axis values. The subsequent
> rows should be plotted on the y-axis. I would prefer to use the
> smoothScatter plotting function of the geneplotter package, but to
> begin with R I'd be happy to use any scatterplot with the given
> dataset provided in the matrix A.
>
> So I tried:
>
> plot(A[1,],A[2:3,])
>
> or
>
> plot(A[1,],A[2-3,])
>
> both result in :
>
> Error in xy.coords(x, y, xlabel, ylabel, log) :
> 'x' and 'y' lengths differ
>
> What do I have to do?
>
> Marek
>
> ______________________________________________
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> and provide commented, minimal, self-contained, reproducible code.
>

-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem you are trying to solve?

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Received on Thu 14 Feb 2008 - 17:30:48 GMT

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