ff.filter {ncf}R Documentation

Fourier filter for c'fns

Description

Fourier filter to ensure positive semi-definite correlation fnctions. Called by various functions.

Usage

    ff.filter(x)

Arguments

x a vector.

Value

A vector is returned whose Fourier-transform has no non-negative coeficients.

See Also

Sncf


[Package ncf version 1.1-3 Index]