| sign {base} | R Documentation |
Sign Function
Description
sign returns a vector with the signs of the corresponding
elements of x (the sign of a real number is 1, 0, or -1
if the number is positive, zero, or negative, respectively).
Note that sign does not operate on complex vectors.
Usage
sign(x)
Arguments
x |
a numeric vector |
See Also
abs
Examples
sign(pi) # == 1
sign(-2:3)# -1 -1 0 1 1 1