[R] Limit of matrix + naming

[Liaw, Andy]

Looking at length(list(2:305)) and str(list(2:305)) can be instructive.  You
don't need the list(), and you probably want to use `legal' names for
variables.

Andy

From: Chia, Yen Lin
> 
> Hi all,
> 
>  
> 
> I have read a data matrix of 304 x 404 using read.table.  When I am
> trying to name the colnames, with first try colnames(L5)<-list(2:305),
> 
> I keep getting error message such as 
> 
>  
> 
> Error in "colnames<-"(`*tmp*`, value = list(c(2, 3, 4, 5, 6, 
> 7, 8, 9,  :
> 
> 
>         length of 'dimnames' [2] not equal to array extent
> 
>  
> 
> and I don't know why.  But, if I look at the original names 
> in terms of
> V1, V2, the rownames are repeated again after V256.  Is there a
> limitation?  
> 
>  
> 
> Thanks.
> 
>  
> 
> Yen Lin
> 
> 
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> 
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