Applies To„SharePoint Server“ prenumeruojamas leidimas „SharePoint Server 2019“ „SharePoint Server 2016“ „SharePoint Server 2013“ „SharePoint Server 2013 Enterprise“ „SharePoint“, esantis „Microsoft 365“ SharePoint Foundation 2010 „SharePoint Server 2010“ „SharePoint“, esantis „Microsoft 365 Small Business“ Windows SharePoint Services 3.0

Returns the inverse of the gamma cumulative distribution. If p = GAMMADIST(x,...), then GAMMAINV(p,...) = x.

You can use this function to study a variable whose distribution may be skewed.

Syntax

GAMMAINV(probability,alpha,beta)

Probability     is the probability associated with the gamma distribution.

Alpha     is a parameter to the distribution.

Beta     is a parameter to the distribution. If beta = 1, GAMMAINV returns the standard gamma distribution.

Remarks

  • If any argument is nonnumeric, GAMMAINV returns the #VALUE! error value.

  • If probability < 0 or probability > 1, GAMMAINV returns the #NUM! error value.

  • If alpha ≤ 0 or if beta ≤ 0, GAMMAINV returns the #NUM! error value.

GAMMAINV uses an iterative technique for calculating the function. Given a probability value, GAMMAINV iterates until the result is accurate to within ±3x10^-7. If GAMMAINV does not converge after 100 iterations, the function returns the #N/A error value.

Example

Probability

Alpha

Beta

Formula

Description (Result)

0.068094

9

2

=GAMMAINV([Probability],[Alpha],[Beta])

Inverse of the gamma cumulative distribution for the arguments (10)

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