[R] Copying row names

[kwaj]

I have been trying to copy the row names of one matrix to another matrix but
having difficulty. The original matrix contains a row name which I would
like to replicate in the new matrix. I use the following approach?
The two matrices have identical dimensions.

rN <- row.names(origMatrix)
row.names(newMatrix) <- rN

However the new matrix does not take on the labels. 

I have also tried, 

row.names(newMatrix) <- as.character(rN)

Any ideas?


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