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Encyclopedia > Parabolic fractal distribution

In the parabolic fractal distribution, the logarithm of the frequency or size of entities in a population is a quadratic polynomial of the logarithm of the rank. This can markedly improve the fit over a simple power-law relationship (see external link below).


In a number of cases, there is a so-called King effect where the highest-ranked item has a significantly greater frequency or size than the model predicts on the basis of the other items.


See also

  • Zipf's law

External links

  • Distributions de type “fractal parabolique” dans la Nature (French, with English summary) (http://www.hubbertpeak.com/laherrere/fractal.htm)

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