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XQuery math:variance

MarkLogic 9 Product Documentation
math.variance

math.variance(
   arg as Number[]
) as Number?

Summary

Returns the sample variance of a sequence of values. The function returns the empty sequence if the length of the input sequence is less than 2.

Parameters
arg The sequence of values.

Example

  math.variance([122, 100, 23])

  => 2702.33333333333

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