leptokurtic
/ˌleptəˈkərdik
/adjective Statistics
(Of a frequency distribution or its graphical representation) having greater kurtosis than the normal distribution; more concentrated about the mean. Compare with platykurtic, mesokurtic.The evidence from House Finches suggests that vagrants are simply the individuals that make up the long tails of leptokurtic frequency distributions typical of data on distances moved by animals....
- However, all of the fitness and morphological traits they reviewed had distributions of mutant effects more leptokurtic than a normal distribution.
- The fitness distribution of the MA lines is leptokurtic and skewed to the left.
Derivatives
leptokurtosis
- In contrast, creek chubs showed little evidence of persistent upstream bias, and their leptokurtosis, while evident in the first three months, showed a decreasing trend with time, vanishing by the fourth month.
- The population heterogeneity model matched the leptokurtosis, variance, and overall distribution of the movement data.
- In previous samples, these characters have been shown to exhibit very little directional asymmetry and slight leptokurtosis, as expected of FA.
Origin
Early 20th century: from lepto- 'narrow' + Greek kurtos 'bulging' + -ic.
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