Sign

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).

Usage

# S3 method for class 'generic_spct'
sign(x)

Arguments

x

an object of class "generic_spct"

See also

Other math operators and functions: MathFun, ^.generic_spct(), convolve_each(), div-.generic_spct, log(), minus-.generic_spct, mod-.generic_spct, plus-.generic_spct, round(), slash-.generic_spct, times-.generic_spct