Получение или установка структуры вектора в программировании на R - функция structure ()
Опубликовано: 17 Февраля, 2022
structure() function in R Language is used to get or set the structure of a vector by changing its dimensions.
Syntax: structure(vec, dim)
Parameters:
vec: Vector
dim: New Dimensions
Example 1:
# R program to get# the structure of a Vector # Creating a Vector# of Numbersx1 <- c(1:10)structure(x1) # Creating a vector # of stringsx2 <- c("abc", "cde", "def")structure(x2) |
Выход:
[1] 1 2 3 4 5 6 7 8 9 10 [1] «abc» «cde» «def»
Example 2:
# R program to change # the structure of a Vector # Creating a Vectorx <- c(1:10)x # Changing the structure of vectory1 <- structure(x, dim = c(2, 5))y2 <- structure(x, dim = c(5, 2))y1y2 |
Выход:
[1] 1 2 3 4 5 6 7 8 9 10
[, 1] [, 2] [, 3] [, 4] [, 5]
[1,] 1 3 5 7 9
[2,] 2 4 6 8 10
[, 1] [, 2]
[1,] 1 6
[2,] 2 7
[3,] 3 8
[4,] 4 9
[5,] 5 10