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

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Revision as of 19:33, 23 August 2010


FDIST

Calculates values for an F-distribution.

Syntax:

FDIST(x; r1; r2)

r1 and r2, which are positive integers, are the degrees of freedom parameters for the F-distribution.
x must be greater than or equal to 0.
FDIST returns the area of the right tail of the probability density function for the F-distribution, calculating:
Calc fdist equation.png

Example:

FDIST(1; 4; 5)

returns approximately 0.485657.

Issues:

  • The forthcoming international standard ODFF calls this function LEGACY.FDIST, and defines a new FDIST function.

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