As a beginner also try downloading the rattle GUI , with all dependecies
=true , or R Cmdr GUI..

these are both packages

go to rattle.togaware.com for the rattle instructions and installations

.its very  very user friendly even though the purists think its infra
dig.(kidding- Friday humour)

Regards,

Ajay Ohri

www.decisionstats.com

On Fri, Jul 25, 2008 at 5:43 PM, Andreas Tille <tillea@rki.de> wrote:

> Hi,
>
> as a bloody R beginner I failed to solve the probably simple problem
> to create a barplot of the following data read from a file
>
>     Year      A     B    C
>     2000      4     3    0
>     2001      2     1    3
>     2002      1     2    5
>
> The Barplot should look like
>
>    5 |                 C
>    4 |   A             C
>    3 |   AB      C     C
>    2 |   AB    A C    BC
>    1 |   AB    ABC   ABC
>      +------------------
>         2000  2001  2002
>
> (well, something like that - the colors are encoded as letters in this
>  ASCII-graphics - assume the coloring / shading as usual).
>
> My problem is that if I read the table using
>
>   data <- read.table(file='data.dat', sep = '\t', fill=TRUE, header=TRUE )
>
> everything looks is read as expected if I try
>
>   data
>
> but I have no idea how to separate the Matrix (A B C) to specify the
> height parameter of barplot as a matrix and the names.arg parameter
> for the inscription.  Whatever I tried I get
>
>   'height' must be a vector or a matrix
>
> and I have no idea to do this right.  So I think I'm just facing a
> data conversion problem and have to turn data[['Year']]  into a vector
> and the remaining table into a matrix.
>
> I guess this is a really simple question - but I failed to find a
> solution.
>
> Kind regards
>
>       Andreas.
>
> --
> http://fam-tille.de
>
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html>
> and provide commented, minimal, self-contained, reproducible code.
>

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