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Windermere
Level I

Does JMP still have a function called Exact Wilcoxon Rank Sum test?

Dear Experts,

 

  In the older version of JMP, there is a function called "Exact wilcoxon Rank Sum test" specifically used for nonparametric comparison for small sample size (e.g., n<5). However, in the current version (14.0) I did not see this function any more. Can anyone suggest a new function in the new version with similar or the same power as the "Exact wilcoxon Rank Sum test"?

 

Oneway( Y( :C10 ), X( :Good T1D Vs control ), Wilcoxon Test( 1 ),
	Wilcoxon Exact Test( 1 ) ),

This is the script that I can use in the previous version, but not anymore; it only caculate wilcoxon Test (1) but not the wilcoxon Exact test.

 

Can anyone tell me why?

 

Thanks

 

 

Thanks

 

 

1 ACCEPTED SOLUTION

Accepted Solutions
louv
Staff (Retired)

Re: Does JMP still have a function called Exact Wilcoxon Rank Sum test?

6 REPLIES 6
louv
Staff (Retired)

Re: Does JMP still have a function called Exact Wilcoxon Rank Sum test?

Windermere
Level I

Re: Does JMP still have a function called Exact Wilcoxon Rank Sum test?

For some reason, the current version of my JMP does not have the choice of "Exact test"..

Do you know why?

 

Windermere
Level I

Re: Does JMP still have a function called Exact Wilcoxon Rank Sum test?

I have the version of JMP.. But only JMP Pro can do Exact Wilcoxon...I have got confirmation.

txnelson
Super User

Re: Does JMP still have a function called Exact Wilcoxon Rank Sum test?

I assume your data has more than 2 groups in your Oneway analysis.  The test is only available if the X Factor column only has 2 levels. Below is the documentation taken from the Scripting Index

exact test.PNG

Jim

Re: Does JMP still have a function called Exact Wilcoxon Rank Sum test?

I found it is still listed in the latest version of JMP:

 

Screen Shot 2019-01-24 at 7.47.39 AM.png

 

It still works, too:

 

Screen Shot 2019-01-24 at 7.48.40 AM.png

Windermere
Level I

Re: Does JMP still have a function called Exact Wilcoxon Rank Sum test?

I believe that is the software version issue, only the JMP Pro has the exact wilcoxoln. The JMP does not have that...

 

I only have two groups...That is for sure.

 

Well... I hope my bet is correct. If not please suggesst a way to do it in JMP