[R] assign names to matrix

[Thomas Lumley]

On Thu, 16 Nov 2000 Pan_Yuming at aam.de wrote:

> 
> 
> dear all,
> 
> i have a matrix and i dont know how to assign names to this matrix.
> 
> given v is 100x5 matrix, and label -> c("A","B","C","D","E")
> 
> idealy, names(v) <- label, but it doesnt work for different length
> 
> if dimnames(v) <- list(1:nrow(v),label), then names(v) return NULL
> 
> any smart ways? thanks in advance.

Lists have names(). Matrices don't have names(). They have dimnames() (or
colnames() and rownames()). You want to use dimnames instead.

	-thomas

Thomas Lumley
Assistant Professor, Biostatistics
University of Washington, Seattle

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