[R] question

[Jessica G.]

Hi Mr Plate,

I have a little question

How to convert a rowname vector of numbers into a real column of the matrix,

My problem is that I applied a rowsum function on a matrix.
Then I get a matrix in which the names of the columns are the values of the 
group (numbers)
Now I need to make calculation on the groups row.
How to convert this vector of (rownames) into a real column in the matrix ?


thanks by advance

Jessica Gervais

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