Difference between revisions of "Documentation/How Tos/Calc: CHITEST function"
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Revision as of 09:01, 24 November 2009
CHITEST
Returns a measure of χ2 'goodness of fit'.
Syntax:
CHITEST(observed; expected)
- observed and expected are ranges or arrays of observed and expected values. They must have the same number of rows and columns and there must be at least 2 values in each.
- CHITEST calculates the χ2 statistic and degrees of freedom, then calls CHIDIST.
Example:
CHITEST({8;9;7;8}; {8;8;8;8})
- returns approximately 0.969.
Issues:
- The draft international standard ODFF calls this function LEGACY.CHITEST, and points out that it has limited mathematical validity. CHITEST is compatible with the Excel CHITEST function.
