| % File src/library/stats/man/spec.taper.Rd |
| % Part of the R package, https://www.R-project.org |
| % Copyright 1995-2007 R Core Team |
| % Distributed under GPL 2 or later |
| |
| \name{spec.taper} |
| \alias{spec.taper} |
| \title{Taper a Time Series by a Cosine Bell} |
| \usage{ |
| spec.taper(x, p = 0.1) |
| } |
| \arguments{ |
| \item{x}{A univariate or multivariate time series} |
| \item{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).} |
| } |
| \description{ |
| Apply a cosine-bell taper to a time series. |
| } |
| \details{ |
| The cosine-bell taper is applied to the first and last \code{p[i]} |
| observations of time series \code{x[, i]}. |
| } |
| \value{ |
| A new time series object. |
| } |
| \seealso{ |
| \code{\link{spec.pgram}}, \code{\link{cpgram}} |
| } |
| \keyword{ts} |