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Rounding up to the Specified Number of Significant Digits in R Programming – signif() Function

  • Last Updated : 10 Jun, 2020

signif() function in R Language is used to round to the specified number of significant digits.

Syntax: signif(x, digits)

Parameters:
x: specified number
digits: significant digits

Example 1:




# R program to illustrate
# signif function
  
# Generating random number
x <- rnorm(1)
x
  
# Calling the signif() function
signif(x)

Output:



[1] 1.064923
[1] 1.06492

Example 2:




# R program to illustrate
# signif function
  
# Generating random number
x <- rnorm(1)
x
  
# Calling the signif() function
# with 3 significant digits
signif(x, 3)

Output:

[1] 1.078385
[1] 1.08

Note: The rnorm() function generates different random number each time when it runs.

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