(2)Data based cost function 0 Instead of using a probabilistic cost function,LS method uses something which is directly based on the available data. However,it relates to the probabilistic approach. o A natural choice for the cost function is L 五s(w) 三 d-Uwll 2020-01-18 112020-01-18 11 (2) Data based cost function  Instead of using a probabilistic cost function, LS method uses something which is directly based on the available data.  However, it relates to the probabilistic approach.  A natural choice for the cost function is