33 lines
799 B
Plaintext
33 lines
799 B
Plaintext
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{{alias}}()
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Returns an accumulator function which incrementally computes the mean
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directional accuracy (MDA).
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If provided input values, the accumulator function returns an updated mean
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directional accuracy. If not provided input values, the accumulator function
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returns the current mean directional accuracy.
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If provided `NaN` or a value which, when used in computations, results in
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`NaN`, the accumulated value 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 m = accumulator()
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null
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> m = accumulator( 2.0, 3.0 )
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1.0
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> m = accumulator( -5.0, 4.0 )
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0.5
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> m = accumulator()
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0.5
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See Also
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--------
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