% Generated by roxygen2: do not edit by hand % Please edit documentation in R/extractFDAFeaturesMethods.R \name{extractFDAFourier} \alias{extractFDAFourier} \title{Fast Fourier transform features.} \usage{ extractFDAFourier(trafo.coeff = "phase") } \arguments{ \item{trafo.coeff}{(\code{character(1)})\cr Specifies which transformation of the complex frequency domain representation should be calculated as a feature representation. Must be one of \dQuote{amplitude} or \dQuote{phase}. Default is \dQuote{phase}. The phase shift is returned in Rad, i.e. values lie in [-180, 180].} } \value{ (\link{data.frame}). } \description{ The function extracts features from functional data based on the fast fourier transform. For more details refer to \link[stats:fft]{stats::fft}. } \seealso{ Other fda_featextractor: \code{\link{extractFDABsignal}()}, \code{\link{extractFDADTWKernel}()}, \code{\link{extractFDAFPCA}()}, \code{\link{extractFDAMultiResFeatures}()}, \code{\link{extractFDATsfeatures}()}, \code{\link{extractFDAWavelets}()} } \concept{fda_featextractor}