Get the Sign of Elements of a Numeric Vector in R Programming - sign() Function

Get or Set the Structure of a Vector in R Programming – structure() Function

Last Updated : 25 Jun, 2020

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 Numbers 
x1 <- c(1:10) 
structure(x1) 
  
# Creating a vector  
# of strings 
x2 <- c("abc", "cde", "def") 
structure(x2) 

Output:

[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 Vector 
x <- c(1:10) 
x 
  
# Changing the structure of vector 
y1 <- structure(x, dim = c(2, 5)) 
y2 <- structure(x, dim = c(5, 2)) 
y1 
y2 

Output:

 [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

Get the Sign of Elements of a Numeric Vector in R Programming - sign() Function

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