Difference between revisions of "Documentation/How Tos/Calc: GAMMAINV function"

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=== See also: ===
[[Documentation/How_Tos/Calc: GAMMADIST function|'''GAMMADIST''']]
* [[Documentation/How_Tos/Calc: GAMMADIST function|GAMMADIST]]
[[Documentation/How_Tos/Calc: Statistical functions|'''Statistical functions''']]
* [[Documentation/How_Tos/Calc: Statistical functions|Statistical functions]]
[[Documentation/How_Tos/Calc: Functions listed alphabetically|'''Functions listed alphabetically''']],
* [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]]
[[Documentation/How_Tos/Calc: Functions listed by category|'''Functions listed by category''']]
* [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}}

Revision as of 13:51, 25 February 2009


Calculates the inverse of the cumulative GAMMADIST function.


GAMMAINV(p; α; β)

The gamma distribution is a family of continuous probability distributions, with two controlling parameters α and β.
GAMMAINV returns the value n, such that GAMMADIST(n; α; β; 1) is p.


GAMMAINV(0.86; 1; 1)

returns approximately 2.


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