The function extracts discrete wavelet transform coefficients from the raw functional data. See wavelets::dwt for more information.
extractFDAWavelets(filter = "la8", boundary = "periodic")
(character) Specifies which filter should be used. Default is “la8”.
(character) Boundary to be used. “periodic” assumes circular time series, for “reflection” the series is extended to twice its length. Default is “periodic”.
(data.frame).
Other fda_featextractor: extractFDAFPCA
,
extractFDAFourier
,
extractFDAMultiResFeatures