Exact test in PASW 18.0.1?

[AlessandroMacario]

Hi,
I'd like to run some exact test in PASW 18 but I cannot find the dialog box in which I could tick the "exact" option? Do I need to download an add-on? Is it free?
Thanks for your help
Alessandro

[Bruce Weaver]

The exact test add-on is not free.  What kind of exact test do you want to run?  There may be other options -- e.g., I believe you can still download a free 30-day trial of StatXact from www.cytel.com.

HTH.

AlessandroMacario wrote

Hi,
I'd like to run some exact test in PASW 18 but I cannot find the dialog box in which I could tick the "exact" option? Do I need to download an add-on? Is it free?
Thanks for your help
Alessandro

[AlessandroMacario]

Thanks for your quick answer. I'd like to run a Kruskal-Wallis procedure using an exact approach.
You advised me to use the trial version of Statxact but I work on Mac OS X which does not support that software.... ;-(
Alessandro

[Bruce Weaver]

Depending on your sample sizes, you may be able to use the table of critical values computed by the authors of this article (mind the line-wrap):

http://www.google.ca/url?sa=t&source=web&cd=4&sqi=2&ved=0CDMQFjAD&url=http%3A%2F%2Fwww.jmu.edu%2Fassessment%2FJPM%2520AERA%2520SP%252008.pdf&rct=j&q=exact%20kruskal%20wallis%20test&ei=dC_ETfvNBszTgQeeyvHLBA&usg=AFQjCNGRnmB3xEnSo4flule3tz-nzSYPxA&cad=rja

For other readers, even if you're not too interested in the topic, I do recommend that you take a quick peek at the "Computation of Exact Critical Values" section (p. 6), and keep going through the first full paragraph on p. 7.  There's some pretty good nerd humour.  ;-)

HTH.

AlessandroMacario wrote

Thanks for your quick answer. I'd like to run a Kruskal-Wallis procedure using an exact approach.
You advised me to use the trial version of Statxact but I work on Mac OS X which does not support that software.... ;-(
Alessandro

[Martha Hewett]

Hee hee.  ;-}  Agreed.

	Martha Hewett | Director of Research 612.335.5865 (p) | 612.839.2358 (c) | 612.335.5888 (f) Center for Energy and Environment | Minnesota's Energy Experts 212 3rd Avenue North, Suite 560, Minneapolis, MN 55401
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From:	Bruce Weaver <[hidden email]>
To:	[hidden email]
Date:	05/06/2011 01:03 PM
Subject:	Re: Exact test in PASW 18.0.1?
Sent by:	"SPSSX(r) Discussion" <[hidden email]>

---

Depending on your sample sizes, you may be able to use the table of critical
values computed by the authors of this article (mind the line-wrap):

http://www.google.ca/url?sa=t&source=web&cd=4&sqi=2&ved=0CDMQFjAD&url=http%3A%2F%2Fwww.jmu.edu%2Fassessment%2FJPM%2520AERA%2520SP%252008.pdf&rct=j&q=exact%20kruskal%20wallis%20test&ei=dC_ETfvNBszTgQeeyvHLBA&usg=AFQjCNGRnmB3xEnSo4flule3tz-nzSYPxA&cad=rja

For other readers, even if you're not too interested in the topic, I do
recommend that you take a quick peek at the "Computation of Exact Critical
Values" section (p. 6), and keep going through the first full paragraph on
p. 7.  There's some pretty good nerd humour.  ;-)

HTH.



AlessandroMacario wrote:
>
> Thanks for your quick answer. I'd like to run a Kruskal-Wallis procedure
> using an exact approach.
> You advised me to use the trial version of Statxact but I work on Mac OS X
> which does not support that software.... ;-(
> Alessandro
>


-----
--
Bruce Weaver
[hidden email]
http://sites.google.com/a/lakeheadu.ca/bweaver/

"When all else fails, RTFM."

NOTE: My Hotmail account is not monitored regularly.
To send me an e-mail, please use the address shown above.

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