WaveFEX | R Documentation |
Todo: add description
WaveFEX(type = "PO", obs, qmf, scale = log2(nrow(obs)), iwt = F, alpha = F)
type |
Orthogonal transform: PO or translation invariant transform:TI. |
obs |
A matrix of n x p functional data (n should be a power of 2). |
qmf |
Orthonormal quadrature mirror filter. |
scale |
Finest scale of the decomposition. |
iwt |
Logical to specify forward (FALSE) or inverse (TRUE) wavelet transform. |
alpha |
Logical TRUE to include scaling coefficients at the first scale. |
contj
Matrix scale x p of Squared norm of the wavelet coefficient at each scale.
wc
wavelet coefficients matrix.
Antoniadis, A., Brossat, X., Cugliari, J., & Poggi, J. M. (2013). Clustering functional data using wavelets. Int. J. Wavelets Multiresolution Inf. Process., 11(01), 1350003.
Cheam, A., Fredette, M., Marbac, M., & Navarro, F. (2023). Translation-invariant functional clustering on COVID-19 deaths adjusted on population risk factors. J. R. Stat. Soc., C: Appl. Stat., 72(2), 387-413.
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