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\alias{diffinv.default}
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\alias{diffinv.default}
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\alias{diffinv.ts}
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\alias{diffinv.ts}
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\title{Discrete Integration: Inverse of Differencing}
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\title{Discrete Integration: Inverse of Differencing}
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\description{
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\description{
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  Computes the inverse function of the lagged differences function
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  Computes the inverse function of the lagged differences function
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  \code{\link{diff}}.
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  \code{\link{diff}}.
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}
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}
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\usage{
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\usage{
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diffinv(x, ...)
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diffinv(x, ...)
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\method{diffinv}{default}(x, lag = 1, differences = 1, xi, \dots)
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\method{diffinv}{default}(x, lag = 1, differences = 1, xi, \dots)
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  Missing values are not handled.
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  Missing values are not handled.
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}
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}
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\value{
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\value{
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  A numeric vector, matrix, or time series (the latter for the
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  A numeric vector, matrix, or time series (the latter for the
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  \code{"ts"} method) representing the discrete integral of \code{x}.
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  \code{"ts"} method) representing the discrete integral of \code{x}.
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}
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}
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\author{A. Trapletti}
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\author{A. Trapletti}
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\seealso{
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\seealso{
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  \code{\link{diff}}
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  \code{\link{diff}}
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}
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}