Last chance! 50% off unlimited learning
Sale ends in
# NOT RUN {
ma <- matrix(1:12, 3, 4)
nrow(ma) # 3
ncol(ma) # 4
ncol(array(1:24, dim = 2:4)) # 3, the second dimension
NCOL(1:12) # 1
NROW(1:12) # 12
# }
Run the code above in your browser using DataLab