# \#runge-phenomenon

**URL:** https://scanalyst.fourmilab.ch/tag/runge-phenomenon/1940.md

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## [Runge's Phenomenon and the Perils of Polynomial Curve Fitting](https://scanalyst.fourmilab.ch/t/runges-phenomenon-and-the-perils-of-polynomial-curve-fitting/2724)

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**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 1\
**Last updated:** [13 February 2023 06:52 UTC](https://scanalyst.fourmilab.ch/t/runges-phenomenon-and-the-perils-of-polynomial-curve-fitting/2724 "2023-02-13T06:52:28Z")

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Here is more about curve fitting and Runge’s phenomenon. The pathological behaviour of polynomials fit to data can be minimised by using Chebyshev nodes as the points which are fit.

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## [Phosphine—Life on Venus or Bad Statistical Analysis?](https://scanalyst.fourmilab.ch/t/phosphine-life-on-venus-or-bad-statistical-analysis/1359)

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**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 2\
**Last updated:** [13 May 2022 14:46 UTC](https://scanalyst.fourmilab.ch/t/phosphine-life-on-venus-or-bad-statistical-analysis/1359 "2022-05-13T14:46:08Z")

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Reports of detection of phosphine gas in the atmosphere of Venus, discussed here on 2021-12-22, “Are Atmospheric Anomalies on Venus Signs of Life?”, sparked speculation that microbial life might inhabit reg…