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feature
feature In this learning-research context, a feature is a measurable characteristic taken from data, such as EEG or fNIRS signals, that is used to distinguish one state or event from another.
In this learning-research context, a feature is a measurable characteristic taken from data, such as EEG or fNIRS signals, that is used to distinguish one state or event from another. Features can be selected for how informative they are, so that the most discriminative subset improves detection or classification performance.