Update class sizes
Examples
update_m(C = 4, z = c(1, 1, 1, 2, 2, 3))
#> [,1]
#> [1,] 3
#> [2,] 2
#> [3,] 1
#> [4,] 0
Update class sizes
update_m(C = 4, z = c(1, 1, 1, 2, 2, 3))
#> [,1]
#> [1,] 3
#> [2,] 2
#> [3,] 1
#> [4,] 0