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

Revision as of 23:11, 1 June 2013

CALC FUNCTIONS

FUNCTIONS

Measures of Central Tendency

Measures of dispersion / spread

Probability and statistics

Correlation and line fitting

See also (in the Array Function category); GROWTH, LINEST, LOGEST, TREND

Ranking

Calculates values for a χ²-distribution.

CHIDIST(x; k)

k is the (positive integer) degrees of freedom for the χ²-distribution.

x is a number >=0.

CHIDIST returns the right tail probability for the χ²-distribution:

The draft international standard ODFF calls this function LEGACY.CHIDIST, and defines a new CHISQDIST function. * CHISQDIST is expected for OOo 3.1
The draft international standard ODFF has no restriction for x, but defines that LEGACY.CHIDIST returns 1 for x ≤ 0.

CHIDIST(2; 3)

returns approximately 0.5724.

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