mixed penalty optimization with ista

Object for elastic net optimization with ista optimizer

Value

a list with fit results

Fields

new

creates a new object. Requires (1) a vector with weights for each parameter, (2) a vector indicating which penalty is used, and (3) a list with control elements

optimize

optimize the model. Expects a vector with starting values, a SEM of type SEM_Cpp, a theta value, a lambda and an alpha value (alpha must be 1).