Documentation/How Tos/Calc: BETADIST function
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BETADIST
Calculates the cumulative distribution function of a beta distribution.
Syntax:
BETADIST(n; α; β; a; b)
- The beta distribution is a family of continuous probability distributions, defined for an interval a to b, where α and β are parameters controlling the shape of the distribution. n lies between a and b.
- BETADIST calculates the cumulative distribution function F(x; α, β) = Ix(α, β) where x = (n-a)/(b-a) and Ix(α, β) is the regularised incomplete beta function.
- a and b are optional parameters which default (if omitted) to 0 and 1.
Example:
BETADIST(0.75; 3; 4)
- returns approximately 0.96.
See also:
Functions listed alphabetically, Functions listed by category