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Check if an Object is of Type Integer in R Programming – is.integer() Function

  • Last Updated : 16 Jun, 2020

is.integer() function in R Language is used to check if the object passed to it as argument is of integer type.

Syntax: is.integer(x)

Parameters:
x: Object to be checked

Example 1:




# R program to check if 
# object is an integer
  
# Creating a vector
x1 <- 4L
x2 <- c(1:6)
x3 <- c("a", "b", "c", "d")
x4 <- c(1, 2, "a", 3, "b")
  
# Calling is.integer() function
is.integer(x1)
is.integer(x2)
is.integer(x3)
is.integer(x4)

Output:

[1] TRUE
[1] TRUE
[1] FALSE
[1] FALSE

Example 2:




# R program to check if 
# object is an integer
  
# Creating a matrix
x1 <- matrix(c(1:9), 3, 3)
  
# Calling is.integer() function
is.integer(x1)

Output:

[1] TRUE
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