Synthesized functional signals with heterogeneous error. The underlying three coefficients correspond to 'dense', 'global sparse', and 'local sparse' functions. See https://arxiv.org/abs/2006.10163 for detailed configurations.
spfda_simulate(n = 1000, n_timepoints = 100, err = 1, scale = c(1, 1, 1))
Total number of observations
Total number of time points
the scale of coefficients length of 1 or 3.
A list of data generated:
X is scalar predictor,