# spec.taper

##### Taper a Time Series by a Cosine Bell

Apply a cosine-bell taper to a time series.

- Keywords
- ts

##### Usage

`spec.taper(x, p = 0.1)`

##### Arguments

- x
- A univariate or multivariate time series
- p
- The proportion to be tapered at each end of the series, either a scalar (giving the proportion for all series) or a vector of the length of the number of series (giving the proportion for each series..

##### Details

The cosine-bell taper is applied to the first and last `p[i]`

observations of time series `x[, i]`

.

##### Value

- A new time series object.

##### See Also

*Documentation reproduced from package stats, version 3.3, License: Part of R 3.3*

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