R的簡單操作

> one <- c( 1, 1, 1, 1 ) > z <- matrix( c( 1, 2, 3, 4, 1, 1, 0, 0, 1, 0, 1, 0 ),nrow=4 ) > class(z) [1] "matrix" > cbind( one, z )      one       [1,]   1 1 1 1 [2,]   1 2 1 0 [3,]   1 3 0 1 [4,]   1

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