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  \code{deltat} the time interval between observations (see
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  \code{deltat} the time interval between observations (see
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  \code{\link{ts}}).
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  \code{\link{ts}}).
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}
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}
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\usage{
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\usage{
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time(x, \dots)
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time(x, \dots)
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\method{time}{default}(x, offset=0, \dots)
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\method{time}{default}(x, offset = 0, \dots)
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cycle(x, \dots)
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cycle(x, \dots)
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frequency(x, \dots)
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frequency(x, \dots)
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deltat(x, \dots)
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deltat(x, \dots)
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}
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}
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\examples{
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\examples{
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require(graphics)
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require(graphics)
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cycle(presidents)
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cycle(presidents)
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# a simple series plot
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# a simple series plot
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plot(as.vector(time(presidents)), as.vector(presidents), type="l")
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plot(as.vector(time(presidents)), as.vector(presidents), type = "l")
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}
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}
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\keyword{ts}
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\keyword{ts}