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Rounding off values in R Language – round() Function

  • Last Updated : 15 Apr, 2021

round() function in R Language is used to round off values to a specific number of decimal value.
 

Syntax: round(x, digits)
Parameters: 
x: Value to be round off 
digits: Number of digits to which value has to be round off

Example 1: Rounding off the values 
 

Python3




# R program to illustrate
# round function
 
# Create example values
x1 <- 1.2                          
x2 <- 1.8
x3 <- - 1.3
x4 <- 1.7
 
# Apply round function
round(x1)                          
round(x2)
round(x3)
round(x4)
 
print(x1, x2, x3, x4)

Output : 
 



 1
 2
-1
 2

Here in the above code, we have round off the values with 4 data x1, x2, x3, and x4 using the function round(), and printed the new values.
Example 2: Rounding off to certain digits 
 

Python3




# R program to illustrate
# round to a certain digit
 
# Create numeric with many digits
x2 <- 3.14734343243  
 
# Round to three decimal places                 
round(x2, digits = 3
 
print(x2)            

Output:

 3.147 

Here in the above code, the value of a numeric vector is round off till 3 digits.
 

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