Cumulative standard deviation: Difference between revisions
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=={{header|Scheme}}== |
=={{header|Scheme}}== |
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{{works with|Racket}} |
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{{incorrect|Scheme|running-stddev procedure only in Racket? Usage example missing, and not evident.}} |
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<lang scheme> |
<lang scheme> |
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(define ((running-stddev . nums) num) |
(define ((running-stddev . nums) num) |