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% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/extractFDAFeaturesMethods.R
\name{makeExtractFDAFeatMethod}
\alias{makeExtractFDAFeatMethod}
\title{Constructor for FDA feature extraction methods.}
\usage{
makeExtractFDAFeatMethod(learn, reextract, args = list(), par.set = NULL)
}
\arguments{
\item{learn}{(\verb{function(data, target, col, ...)})\cr
Function to learn and extract information on functional column \code{col}.
Arguments are:
\itemize{
\item data \link{data.frame}\cr
Data.frame containing matricies with one row per observation of a single functional
or time series and one column per meahttps://github.com/mlr-org/mlr/pull/2005/conflict?name=R\%252FextractFDAFeatures.R&ancestor_oid=bdc5d882cc86adac456842bebf1a2cf9bb0eb648&base_oid=55d472e23f5c3eb8099607bd9f539034d93e82a4&head_oid=4076800589c60b20acc926e5a545df9f73193b65surement time point.
All entries need to be numeric.
\item target (\code{character(1)})\cr
Name of the target variable. Default: \dQuote{NULL}.
The variable is only set to be consistent with the API.
\item col (\code{character(1)} | \code{numeric(1)})\cr
column names or indices, the extraction should be performed on.
The function has to return a named list of values.
}}
\item{reextract}{(\verb{function(data, target, col, ...)})\cr
Function used for reextracting data in predict phase.
Can be equal to \code{learn}.}
\item{args}{(\link{list})\cr
Named list of arguments to pass to \code{learn} via \code{...}.}
\item{par.set}{(\link{ParamSet})\cr
Paramset added to the learner if used in conjunction with a \link{makeExtractFDAFeatsWrapper}.
Can be \code{NULL}.`}
}
\description{
This can be used to implement custom FDA feature extraction.
Takes a \code{learn} and a \code{reextract} function along with some optional
parameters to those as argument.
}
\seealso{
Other fda:
\code{\link{extractFDAFeatures}()},
\code{\link{makeExtractFDAFeatsWrapper}()}
}
\concept{fda}
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