Abstract
SOME time ago, having had occasion to investigate the relation between Σ (x2) and Σ(v2) in the “Theory of Least Squares,” I found a simple formula which connects them, and which I have never seen given in any of the text-books on the subject. I inclose it, and hope it is worth publishing in your journal.
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LOUDON, W. A Formula in the “Theory of Least Squares.”. Nature 41, 394 (1890). https://doi.org/10.1038/041394a0
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DOI: https://doi.org/10.1038/041394a0
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