R help - Sep 2012 - Problem with duplicates in row.names

Hello,
I am drawing a heatmap with hundreds of genes. Everything work fine, except when
I want to had the name of the genes as the row.names
with
>row.names (a)<-a$Name
And there''s this things that duplicate are not allowed...

How can I do to allow duplicates  ??? I don''t have the choice I
can''t just have numbers .

Thanks for your help, I am new in R ...

Fred

	[[alternative HTML version deleted]]

You cannot have duplicate row names. You have to do something to address that,
such as remove duplicates or aggregate your data.
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STADLER Frederic <frederic.stadler at unifr.ch> wrote:
>Hello,
>I am drawing a heatmap with hundreds of genes. Everything work fine,
>except when I want to had the name of the genes as the row.names with
>>row.names (a)<-a$Name
>And there's this things that duplicate are not allowed...
>
>How can I do to allow duplicates  ??? I don't have the choice I
can't
>just have numbers .
>
>Thanks for your help, I am new in R ...
>
>Fred
>
>	[[alternative HTML version deleted]]
>
>______________________________________________
>R-help at r-project.org mailing list
>https://stat.ethz.ch/mailman/listinfo/r-help
>PLEASE do read the posting guide
>http://www.R-project.org/posting-guide.html
>and provide commented, minimal, self-contained, reproducible code.

On Fri, Sep 7, 2012 at 11:04 AM, STADLER Frederic
<frederic.stadler at unifr.ch> wrote:
> Hello,
> I am drawing a heatmap with hundreds of genes. Everything work fine, except
when I want to had the name of the genes as the row.names with
>>row.names (a)<-a$Name
> And there's this things that duplicate are not allowed...
>
> How can I do to allow duplicates  ??? I don't have the choice I
can't just have numbers .

You might consider using make.unique():

row.names (a) <- make.unique(a$Name)

HTH

James

Thanks Arun, 
I can manage something with that, just need then to delete the first raw
with photoshop !

Thanks

Fred



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