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Title: Use sumprod() to simplify, speed up, and improve accuracy of statistics functions · Issue #102670 · python/cpython · GitHub

Open Graph Title: Use sumprod() to simplify, speed up, and improve accuracy of statistics functions · Issue #102670 · python/cpython

X Title: Use sumprod() to simplify, speed up, and improve accuracy of statistics functions · Issue #102670 · python/cpython

Description: Use sumprod() which is faster, simpler, and more accurate than rounding each multiplication before summation. For an additional speed-up and simplification, compute the (x_xi - bar) only once instead of multiple times. For Spearman's ran...

Open Graph Description: Use sumprod() which is faster, simpler, and more accurate than rounding each multiplication before summation. For an additional speed-up and simplification, compute the (x_xi - bar) only once inste...

X Description: Use sumprod() which is faster, simpler, and more accurate than rounding each multiplication before summation. For an additional speed-up and simplification, compute the (x_xi - bar) only once inste...

Opengraph URL: https://github.com/python/cpython/issues/102670

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Use sumprod() to simplify, speed up, and improve accuracy of statistics functionshttps://github.com/python/cpython/issues/102670#top
3.12only security fixeshttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%223.12%22
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on Mar 13, 2023https://github.com/python/cpython/issues/102670#issue-1622456906
GH-102670: Use sumprod() to simplify, speed up, and improve accuracy of statistics functions #102649https://github.com/python/cpython/pull/102649
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