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Updating means and variances (Q1262737)

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scientific article; zbMATH DE number 4124975
Language Label Description Also known as
English
Updating means and variances
scientific article; zbMATH DE number 4124975

    Statements

    title
    Updating means and variances (English)
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    author
    Alan A. Miller
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    publication date
    1989
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    review text
    \textit{A. D. Booth} and \textit{I. J. M. Booth} [ibid. 77, No.2, 537-539 (1988; Zbl 0647.65100)] have given a method ``for updating means, variances and cross-products of pairs of variables, when more data become available''. The author presents a variation of their formula which is faster by avoiding the use of \(i/(i+1)\) terms.
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    zbMATH Keywords
    program
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    grouped data
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    updating means, variances and cross-products
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    pairs of variables
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    Identifiers

    Mathematics Subject Classification ID
    65C99
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    65Yxx
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    62J10
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    zbMATH DE Number
    4124975
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    OpenAlex ID
    W2005311939
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