How to Convert Double to Int in R

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To convert a double or float to an integer, you can use the “as.integer()” function.

Syntax

as.integer(x)

Parameters

x: It is the object.

Return value

It returns an integer object.

Visual representation

Visual representation of converting a double to an integer in R

Example 1: Converting a float to an integer

r_float <- 11.21
print(r_float)
print(typeof(r_float))

r_int <- as.integer(r_float)
print(r_int)
print(typeof(r_int))

Output

[1] 11.21
[1] "double"
[1] 11
[1] "integer"

Example 2: Check if a variable is an integer

Use the is.integer() function to check if a variable is an integer.

Check if a variable is an integer in R

r_float <- 11.21
r_int <- as.integer(r_float)

print(is.integer(r_int))

Output

[1] TRUE

That’s it.

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