Convert a Character Object to Integer in R Programming as.integer() Function (original) (raw)

Last Updated : 15 Jul, 2025

**as.integer()** function in R Language is used to convert a character object to integer object.

Syntax: as.integer(x)Parameters: x: Character Object

Example 1:

Python3 1== `

R program to convert a character object

to an integer object

Calling as.integer() function

as.integer("4") as.integer("1.6") as.integer("-3.2") as.integer("0x400")

`

Output:

[1] 4 [1] 1 [1] -3 [1] 1024

Example 2:

Python3 1== `

R program to convert a character object

to an integer object

Creating a vector

x <- c(1, 2, 3, 4, 5)

Check if the vector is an integer

is.integer(x)

Convert to integer

x1 <- as.integer(x) x1

Calling is.integer() function

is.integer(x1)

`

Output:

[1] FALSE [1] 1 2 3 4 5 [1] TRUE