EViews Help: @sign

@sign

Sign of number.

Syntax: @sign(x)

x: number

Return: integer

Returns sign of x: -1, 0, 1 depending on the sign of x (“<0”, “=0”, “>0”).

Examples

= @sign(1.23)

returns 1.

matrix m1 = @round(@mnrnd(30, 2))

matrix m2 = @sign(m1)

produces a

matrix of -1, 0, and 1 depending on the sign of the corresponding element of the randomly generated matrix M1.

vector v1 = @round(@mnrnd(30))

vector v2 = @sign(v1)

produces a

-element sign vector corresponding to V1.

Cross-references