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

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(See also:)
(Issues:: remark on LEGACY.CHIDIST concerning domain)
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=== Issues: ===
 
=== Issues: ===
 
* The draft international standard ODFF calls this function <tt>'''LEGACY.CHIDIST'''</tt>, and defines a new <tt>'''CHISQDIST'''</tt> function.
 
* The draft international standard ODFF calls this function <tt>'''LEGACY.CHIDIST'''</tt>, and defines a new <tt>'''CHISQDIST'''</tt> function.
 +
* The draft international standard ODFF has no restriction for x, but defines that <tt>'''LEGACY.CHIDIST'''</tt> returns 1 for x &le; 0.

Revision as of 22:23, 13 September 2008


CHIDIST

Calculates values for a χ2-distribution.

Syntax:

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:
Calc chidist equation.png

Example:

CHDIST(2; 3)

returns approximately 0.5724.

See also:

CHIINV, CHITEST

Statistical functions

Functions listed alphabetically, Functions listed by category

Issues:

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