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Stddev() and Stddevp() #41

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elliotchance opened this issue Apr 11, 2019 · 2 comments

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elliotchance commented Apr 11, 2019

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          Add stddev (#164)

2a685ad

Issue #41

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AlessandroLorenzi commented Oct 4, 2020

Hi @elliotchance Stddevp is just an "alias" for Stddev?

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elliotchance commented Oct 5, 2020

Stddevp is the standard deviation based on a population rather than a sample. See an example here: https://www.khanacademy.org/math/statistics-probability/summarizing-quantitative-data/variance-standard-deviation-sample/a/population-and-sample-standard-deviation-review

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