| t {base} | R Documentation |
Given a matrix or data.frame x,
t returns the transpose (matrix or data.frame) of x.
t(x)
a <- matrix(1:30, 5,6)
ta <- t(a) ##-- i.e., a[i,j] == ta[j,i] for all i,j :
for(j in seq(ncol(a)))
if(! a[,j] == ta[j,]) stop("wrong transpose")