what is the difference between an m and an l1 estimator what is the difference between an l1-estimator and an m-estimator why is an l1 estimator a special case of an m-estimator? why is a l1 estimator a special case of an m-estimator? difference l1-estimator and m-estimator why is an l1-estimator a special case of an m difference between l1 and m-estimator difference between an l1 and an m estimator why is an m estimator special how does an l1 estimate differ from an m-estimator why is an l1-estimator a special case of an m-estimator? what is the difference between an l1 estimator and an m-estimator? what is the difference between l1 and an m why is an m-estimator a special case of an l1 estimator why is an l1 estimator a special case of an m estimate why is an ll1 estimator a special case which of the following is a special case of an m estimator? why is an l1 estimator a special case of an m-estimator what is a special case of an l-estimator? why is a l1 estimator a special case of an m-estimator