-1
我有以下幾點:轉換矩陣向量
a <- matrix(c(1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0), nrow = 2, ncol = 7, byrow = T)
> a
[,1] [,2] [,3] [,4] [,5] [,6] [,7]
[1,] 1 1 0 0 0 0 0
[2,] 0 1 0 1 1 0 0
當我嘗試a
轉換爲矢量用:
b <- split(a, rep(1:nrow(a), each = ncol(a)))
> b
$`1`
[1] 1 0 1 1 0 0 0 # suppose to be 1 1 0 0 0 0 0
$`2`
[1] 1 0 1 0 0 0 0 # suppose to be 0 1 0 1 1 0 0
我沒有得到的1100000
和0101100
預期輸出。它看起來像矢量首先填充列。我怎麼能做到相反?
另外'split.default(a,1:nrow(a))' –