ff.filter: Fourier filter for correlation functions.

View source: R/utilities.R

ff.filterR Documentation

Fourier filter for correlation functions.

Description

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

Usage

ff.filter(x)

Arguments

x

a vector.

Value

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

See Also

Sncf


ncf documentation built on May 7, 2022, 5:05 p.m.