This is a function for the reconstructing functional time series from functional singular spectrum objects (including Grouping and Hankelization steps). The output is a list of functional time series corresponds to each group.
freconstruct(U, group = as.list(1L:10L))an object of class fssa
a list of numeric vectors, each vector includes indices of such elementary components of a group used for reconstruction.
a named list of reconstructed functional time series in each groups and a numeric vector of eigenvalues.