46 lines
1.1 KiB
Plaintext
46 lines
1.1 KiB
Plaintext
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{{alias}}()
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Returns an accumulator function which incrementally computes a statistical
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summary.
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If provided a value, the accumulator function returns an updated summary. If
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not provided a value, the accumulator function returns the current summary.
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The returned summary is an object containing the following fields:
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- count: count.
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- max: maximum value.
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- min: minimum value.
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- range: range.
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- midrange: mid-range.
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- sum: sum.
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- mean: arithmetic mean.
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- variance: unbiased sample variance.
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- stdev: corrected sample standard deviation.
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- skewness: corrected sample skewness.
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- kurtosis: corrected sample excess kurtosis.
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For long running accumulations or accumulations of large numbers, care
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should be taken to prevent overflow.
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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 s = accumulator()
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{}
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> s = accumulator( 2.0 )
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{...}
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> s = accumulator( -5.0 )
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{...}
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> s = accumulator()
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{...}
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See Also
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--------
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