Sorry for not being clear on that. The problem is very simple. We have a room with all sort of sensors (light, weight, software sensors...etc) and we have records of the activities people are doing along with readings from the sensors. We want to identify the correlations between the sensors and the activities, for example, if it is say a presentation then the projector sensor should show a high correlation with the activity. We are of course representing the activities with discrete values. Any thoughts about the implications of using regression. Fahd
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