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

Check if an Object is of Type Numeric in R Programming - is.numeric() Function

Last Updated : 16 Jun, 2020

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

Syntax: is.numeric(x) Parameters: x: Object to be checked

Example 1:

Python3

# R program to check if 
# object is of numeric type

# Calling is.numeric() function
is.numeric(1)
is.numeric(1.5)
is.numeric(-1.5)

Output:

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

Example 2:

Python3

# R program to check if 
# object is of numeric type

# Creating a matrix
x1 <- matrix(c(1:9), 3, 3)

# Calling is.numeric() function
is.numeric(x1)

Output:

[1] TRUE

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

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