What does fat tail mean?
Definitions for fat tail
fat tail
This dictionary definitions page includes all the possible meanings, example usage and translations of the word fat tail.
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Wiktionary
fat tailnoun
The relatively high probability of a relatively extreme outcome.
fat tailnoun
A tail of a probability distribution with significantly higher kurtosis than a normal distribution (which has kurtosis = 0).
fat tailnoun
A tail of a probability distribution with infinite variance.
Wikipedia
fat tail
A fat-tailed distribution is a probability distribution that exhibits a large skewness or kurtosis, relative to that of either a normal distribution or an exponential distribution. In common usage, the terms fat-tailed and heavy-tailed are sometimes synonymous; fat-tailed is sometimes also defined as a subset of heavy-tailed. Different research communities favor one or the other largely for historical reasons, and may have differences in the precise definition of either. Fat-tailed distributions have been empirically encountered in a variety of areas: physics, earth sciences, economics and political science. The class of fat-tailed distributions includes those whose tails decay like a power law, which is a common point of reference in their use in the scientific literature. However, fat-tailed distributions also include other slowly-decaying distributions, such as the log-normal.
Numerology
Chaldean Numerology
The numerical value of fat tail in Chaldean Numerology is: 4
Pythagorean Numerology
The numerical value of fat tail in Pythagorean Numerology is: 6
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"fat tail." Definitions.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.definitions.net/definition/fat+tail>.
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