r remove row from matrix code example

Example 1: remove rownumbers r

rownames(data) <- c()

Example 2: del row matrix r

> x <- matrix(1:9, nrow = 3, dimnames = list(c("X","Y","Z"), c("A","B","C")))
> x
A B C
X 1 4 7
Y 2 5 8
Z 3 6 9