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% File src/library/splines/man/interpSpline.Rd
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% File src/library/splines/man/interpSpline.Rd
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% Part of the R package, https://www.R-project.org
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% Part of the R package, https://www.R-project.org
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% Copyright 1995-2015 R Core Team
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% Copyright 1995-2017 R Core Team
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% Distributed under GPL 2 or later
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% Distributed under GPL 2 or later
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\name{interpSpline}
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\name{interpSpline}
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\alias{interpSpline}
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\alias{interpSpline}
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\title{Create an Interpolation Spline}
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\title{Create an Interpolation Spline}
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vectors (\code{default} method), or from a \code{formula} / \code{data.frame}
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vectors (\code{default} method), or from a \code{formula} / \code{data.frame}
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combination (\code{formula} method).
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combination (\code{formula} method).
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}
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}
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\usage{
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\usage{
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interpSpline(obj1, obj2, bSpline = FALSE, period = NULL,
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interpSpline(obj1, obj2, bSpline = FALSE, period = NULL,
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ord = 4L,
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na.action = na.fail, sparse = FALSE)
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na.action = na.fail, sparse = FALSE)
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}
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}
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\arguments{
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\arguments{
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\item{obj1}{either a numeric vector of \code{x} values or a formula.}
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\item{obj1}{either a numeric vector of \code{x} values or a formula.}
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\item{obj2}{if \code{obj1} is numeric this should be a numeric vector
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\item{obj2}{if \code{obj1} is numeric this should be a numeric vector
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\item{bSpline}{if \code{TRUE} the b-spline representation is returned,
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\item{bSpline}{if \code{TRUE} the b-spline representation is returned,
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otherwise the piecewise polynomial representation is returned.
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otherwise the piecewise polynomial representation is returned.
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Defaults to \code{FALSE}.}
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Defaults to \code{FALSE}.}
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\item{period}{an optional positive numeric value giving a period for a
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\item{period}{an optional positive numeric value giving a period for a
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periodic interpolation spline.}
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periodic interpolation spline.}
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\item{ord}{an integer specifying the spline \emph{order}, the number of
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coefficients per interval. \eqn{ord = d+1} where \eqn{d} is the
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\emph{degree} polynomial degree. Currently, only cubic splines
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(\code{ord = 4}) are implemented.}
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\item{na.action}{a optional function which indicates what should happen
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\item{na.action}{a optional function which indicates what should happen
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when the data contain \code{NA}s. The default action
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when the data contain \code{NA}s. The default action
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(\code{na.omit}) is to omit any incomplete observations. The
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(\code{na.omit}) is to omit any incomplete observations. The
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alternative action \code{na.fail} causes \code{interpSpline} to print
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alternative action \code{na.fail} causes \code{interpSpline} to print
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an error message and terminate if there are any incomplete
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an error message and terminate if there are any incomplete
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