Formula Functions > Functions D to G > GAMMADIST |
This function returns the gamma distribution.
GAMMADIST(x,alpha,beta,cumulative)
This function has these arguments:
Argument | Description |
---|---|
x | Value at which to evaluate the distribution |
alpha | Alpha parameter of the distribution |
beta | Beta parameter of the distribution |
cumulative | Logical value that determines the form of the function If cumulative is TRUE, then this function returns the cumulative distribution function; if FALSE, it returns the probability mass function. |
The equation for this function is:
Accepts numeric data for all arguments. Returns numeric data.
GAMMADIST(A5,1,3,FALSE)
GAMMADIST(R5C1,2,1,TRUE)
GAMMADIST(4,3,2,TRUE) gives the result 0.3233235838
GAMMADIST(4,3,2,FALSE) gives the result 0.1353352832
This function is available in product version 1.0 or later.
BETADIST | GAMMAINV | GAMMALN | KURT | POISSON | Statistical Functions