Peter Wilkinson wrote:
> How does one remove columns either by name ("Exp1", "Exp2", "Exp3", ...
> "Exp100") or by column number from a matrix or data.frame using a list of
> names mynames = ("Exp10,"Exp20","Exp55","Exp67")
>
> I would something in the form of (I know this does not work):
>
> myMatrixEdited = myMatrix[,-mynames]
myMatrixEdited <- myMatrix[ , !(colnames(myMatrix) %in% mynames)]
Uwe Ligges
>
> Or I would like to find the column numbers of the names in the list, and use
> the column numbers to remove the columns in the matrix or data.frame.
>
>
> Peter W.
>
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