Additional options for the MM algorithm to compute EN S- and M-estimates.
mm_algorithm_options( max_it = 500, tightening = c("adaptive", "exponential", "none"), tightening_steps = 10, en_algorithm_opts )
maximum number of iterations.
how to make inner iterations more precise as the algorithm approaches a local minimum.
for adaptive tightening strategy, how often to tighten until the desired tolerance is attained.
options for the inner LS-EN algorithm. See en_algorithm_options for details.
options for the MM algorithm.