def applicationUserChanged(self, event):
        raise NotImplementedError
Uses EM algorithm to compute the maximum likelihood of a test
dataset/ETHPy150Open rwl/muntjac/muntjac/application.py/IUserChangeListener.applicationUserChanged--crossover with--dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/emplike/aft_el.py/OptAFT._EM_test