metric vs normative
metric
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Of or relating to the metric system of measurement.
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Of or relating to distance.
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Of or relating to the meter of a piece of music.
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To measure or analyse statistical data concerning the quality or effectiveness of a process.
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A measure for something; a means of deriving a quantitative measurement or approximation for otherwise qualitative phenomena (especially used in engineering).
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A metric tensor.
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A function for the measurement of the "distance" between two points in some metric space: it is a real-valued function d(x,y) between points x and y satisfying the following properties: (1) "non-negativity": d(x,y)>0, (2) "identity of indiscernibles": d(x,y)=0 mbox iffx=y, (3) "symmetry": d(x,y)=d(y,x), and (4) "triangle inequality": d(x,y)
normative
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Of or pertaining to a norm or standard.
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Conforming to a norm or norms.
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Attempting to establish or prescribe a norm.
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A regulation imposed to preserve a norm.