我怎样才能绑定相同的载体o = c(1,2,3,4)多次得到一个矩阵,如:
o = c(1,2,3,4)
o = array(c(1,2,3,4,1,2,3,4,1,2,3,4), dim(c(4,3)) [,1] [,2] [,3] [1,] 1 1 1 [2,] 2 2 2 [3,] 3 3 3 [4,] 4 4 4
以比以下更好的方式:o = cbind(o,o,o)也许更普遍(duplicate)?我需要它来指定元素的颜色textplot.
o = cbind(o,o,o)
duplicate
textplot
R 回收。它非常环保:
o=c(1,2,3,4) > matrix(o,nrow = 4,ncol = 4) [,1] [,2] [,3] [,4] [1,] 1 1 1 1 [2,] 2 2 2 2 [3,] 3 3 3 3 [4,] 4 4 4 4