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91

Classification can be the problem of identifying to which of a set of categories or sub-populations a new observation belongs; this can be determined, for example, using a training data set with observations whose category membership is known. For example, a diagnosis can be assigned to a patient as a category which can be described by measured data or characteristics such a heart rate, blood pressure, presence of absence of symptoms or combinations of symptoms. Classification can be a pattern recognition.

Added by DJM Jan 2024