Get the Sign of Elements of a Numeric Vector in R Programming - sign() Function

Last Updated : 15 Jul, 2025
sign() function in R Language is used to find the sign of the elements of the numeric vector provided as argument. It does not work on complex vectors.
Syntax: sign(x) Parameter: x represents numeric vector Returns: 1 for Positive number and -1 for Negative Number
Example 1: r
# Create a variable
x <- 1
y <- -100

# Check sign
cat("Sign of x:", sign(x), "\n")
cat("Sign of y:", sign(y))
Output: 
Sign of x: 1 
Sign of y: -1
Example 2: r
# Creating a vector
x <- c(1, 5, 0, -10, 100, -20, 10, -69)

# Check Sign
cat("Sign of elements of vector x: ", sign(x), "\n")
Output: 
Sign of elements of vector x:  1 1 0 -1 1 -1 1 -1
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Article Tags:
R Language
R Vector-Function

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