Get rows which do not contain 0

Question

I would like to make a new matrix from another matrix but only with rows which do not contain 0, how can I do that?

Answer 1

Here is a more vectorized way.

x <- matrix(c(0,0,0,1,1,0,1,1,1,1), ncol = 2, byrow = TRUE)

x[rowSums(x==0)==0,]