37 lines
863 B
Plaintext
37 lines
863 B
Plaintext
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{{alias}}()
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Returns an accumulator function which incrementally computes a mid-range.
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The mid-range is the arithmetic mean of maximum and minimum values.
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Accordingly, the mid-range is the midpoint of the range and a measure of
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central tendency.
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If provided a value, the accumulator function returns an updated mid-range.
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If not provided a value, the accumulator function returns the current mid-
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range.
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If provided `NaN`, the mid-range is `NaN` for all future invocations.
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Returns
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-------
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acc: Function
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Accumulator function.
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Examples
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--------
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> var accumulator = {{alias}}();
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> var v = accumulator()
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null
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> v = accumulator( 3.14 )
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3.14
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> v = accumulator( -5.0 )
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~-0.93
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> v = accumulator( 10.1 )
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2.55
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> v = accumulator()
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2.55
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See Also
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--------
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