what is the difference between a signal and observations symbol different types of symbols how to classify a group of observation symbols what are the observational symbols used for? what symbol do two hmms share why do we use observation symbols for classifying what do we need hmms for how to use hmm for classifying data how to use the observation symbol for training what is the observation symbols of training for a set of hmms? what symbol is used to classify an experiment in a class with a set of hmms what is the purpose of the observation symbol in hmm how do observation symbols work how do you classify different observations do observations share common symbols during quantizing which type of symbol is used to classify a class using observation symbols? what is the use of observation symbol what is the difference between a hmm and observations symbol what is the observation symbol which of the following represents the same observation symbols?