# Fisher's exact test with n x m contingency table (Scripts) 1.0

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• Last update: 5 years ago
• Operating system: Linux, Mac OS X, Win All, BSD, Solaris
• Publisher: Guangdi Li (6 other programs)
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## Fisher's exact test with n x m contingency table (Scripts) Publisher's description

### Fisher's exact test is a statistical test used to determine if there are nonrandom associations between two categorical variables[1]

Fisher's exact test is a statistical test used to determine if there are nonrandom associations between two categorical variables[1].
The job of Fisher's exact test with 2 x 2 or 2x 3 contingency table is already easily done by others. However, the one with n x m contingency table hasn't found , or with bad computation.
This function efficiently deals with Fisher's exact test with n x m contingency table.
As for the function :
[ Sig,PValue,ContigenMatrix ] = FisherExactTest( XVector,YVector )
Input : the data of two variables X,Y as XVector and YVector
Or you can just input the contingency table.
Output: "Sig" returns 1 if X and Y associate,otherwise 0
"PValue" returns the computed p-value
"ContigenMatrix" returns the n x m contingency table

Please start with "Controlcenter.m", there are two simple example for explanation. If you open the algorithm, clear description of the algorithm will be illustrated.

Reference:
[1] http://mathworld.wolfram.com/FishersExactTest.html

#### System Requirements:

MATLAB 7.8 (R2009a)
Program Release Status: New Release
Program Install Support: Install and Uninstall

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