A vec with dimensions N x 1 that contains user-supplied initial values for parameters

A vector<string> indicating the models that should be considered.

A field<vec> containing a list of parameters (e.g. AR(1) = c(1,1), ARMA(p,q) = c(p,q,1))

A string containing the model type. Either 'imu' or 'ssm'

A vec containing the empirical wavelet variance.

A vec that contains the scales of 2^(1:J), where J is the number of scales created by the decomposition.