spec.taper {stats}R Documentation

Taper a Time Series by a Cosine Bell

Description

Apply a cosine-bell taper to a time series.

Usage

spec.taper(x, p = 0.1)

Arguments

x A univariate or multivariate time series
p The total proportion to be tapered, either a scalar or a vector of the length of the number of series.

Details

The cosine-bell taper is applied to the first and last p[i]/2 observations of time series x[, i].

Value

A new time series object.

Note

From package MASS.

Author(s)

Kurt Hornik, B.D. Ripley

See Also

spec.pgram, cpgram


[Package stats version 2.1.0 Index]