How to use the GAMMADIST function
The GAMMADIST function calculates the gamma often used in queuing analysis in probability statistics.
This function is outdated and has been replaced by the GAMMA.DIST function which was introduced in Excel 2010.
Formula in cell C7:
Excel Function Syntax
GAMMADIST(x,alpha,beta,cumulative)
Arguments
| x | Required. |
| alpha | Required. |
| beta | Required. 1 returns the standard gamma distribution. |
| cumulative | Required. A boolean value. TRUE - cumulative distribution function FALSE - probability density function |
Comments
The GAMMADIST function returns
- #VALUE! error value if alpha, beta or x is non-numeric.
- #NUM! error value if:
- x < 0 (zero)
- alpha <= 0 (zero)
- beta <= 0 (zero)
The equation to calculate the gamma probabiltiy density function:
The standard gamma probability function:
This extensive function reference list provides detailed information including syntax, arguments, return values, and examples for many of the functions used in Excel formulas. Click on headers to sort table.
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