Rounding off a value to specific digits in R Programming – round() Function

R Language provides an inbuilt function round() which rounds off to the given number of digits, if no number of digits is provided for round off, it rounds off the number to the nearest integer.

Syntax: round(x, digits=n)

Parameter:
x: Number to be rounded off
digit: Specified digits

Example 1:

# R program to calculate round value

# Using round() method
answer1 <- round(2.356)
answer2 <- round(2.356, digits = 2)
answer3 <- round(2.5)
answer4 <- round(2.5, digits = 1)

print(answer1)
print(answer2)
print(answer3)
print(answer4)

Output:

2
2.36
2
2.5

Example 2:

# R program to calculate round value

# Using round() method
answer1 <- round(c(1.5, 2.6, -3, -3.4))

print(answer1)

Output:

2  3 -3 -3

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