Stepwise EM Cutoff Use this option to specify the cutoff to be used in the stepwise EM algorithm. The specified cutoff value must be between 0 and 1 . A cutoff value of 0.001 is specified by default. Note : This option is activated when Stepwise EM is selected as the Estimation Method . To Specify a Cutoff: Select Stepwise EM as the Estimation Method . Type the desired cutoff value using the drop-down menu.