|
DATA MINING
Desktop Survival Guide by Graham Williams |
|
|||
Replace Indices By Names |
> city.name <- c("Munich", "Paris", "Tokyo", "London", "Boston")
> X <- cbind(c(2, 5, 5), c(4, 1, 3))
> X
[,1] [,2]
[1,] 2 4
[2,] 5 1
[3,] 5 3
> matrix(city.name[X], ncol = 2)
[,1] [,2]
[1,] "Paris" "London"
[2,] "Boston" "Munich"
[3,] "Boston" "Tokyo"
|