Before revision:  We find that the GMM allows us to interpret the sequence of the estimated hidden states as a time series obeying some patterns . We show that GMMs are often better than HMMs in terms of the accuracy and consistency of estimating the time course of the hidden state.
After revision:  We find that the GMM allows us to interpret the sequence of the estimated hidden states as a time series obeying some patterns and is often better than HMMs in terms of the accuracy and consistency of estimating the time course of the hidden state.