Bookmark and Share

Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: RE: Fisher's exact test


From   Gwinyai Masukume <[email protected]>
To   [email protected]
Subject   Re: st: RE: Fisher's exact test
Date   Thu, 3 Apr 2014 20:15:17 +0200

Many thanks Joe.
Gwinyai

On 4/3/14, Joe Canner <[email protected]> wrote:
> Gwinyai,
>
> I'm no expert, but it's probably worth looking at the discussion letter by
> Richardson that was published in response to the Lyderson article (see
> http://www.ncbi.nlm.nih.gov/pubmed/21432882). He has quite a strong negative
> review of Lyderson's article and includes some references to support his
> contentions.
>
> From what I can gather the "less than 5" rule was somewhat arbitrary and is
> now out of date.  Increased computing power has allowed for a more precise
> understanding of the various alternatives. You should familiarize yourself
> with the recent relevant literature and then do your best to apply what you
> have learned.
>
> Regards,
> Joe Canner
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Gwinyai Masukume
> Sent: Thursday, April 03, 2014 12:31 PM
> To: statalist
> Subject: st: Fisher's exact test
>
> Hi,
>
> According to some experts, "The traditional Fisher's exact test should
> practically never be used."
>  Lydersen S, Fagerland MW, Laake P. Recommended tests for association
> in 2 x 2 tables. Stat Med. 2009; 28(7):1159-75.
> http://www.ncbi.nlm.nih.gov/pubmed/19170020
>
> The convention seems to be if any of the boxes in a 2x2 table has less
> than 5 entities Fisher's exact test should be used.
>
> When is it correct/appropriate to use Fisher's exact test?
>
> With thanks,
> Gwinyai
> *
> *   For searches and help try:
> *   http://www.stata.com/help.cgi?search
> *   http://www.stata.com/support/faqs/resources/statalist-faq/
> *   http://www.ats.ucla.edu/stat/stata/
>
> *
> *   For searches and help try:
> *   http://www.stata.com/help.cgi?search
> *   http://www.stata.com/support/faqs/resources/statalist-faq/
> *   http://www.ats.ucla.edu/stat/stata/
>
*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/faqs/resources/statalist-faq/
*   http://www.ats.ucla.edu/stat/stata/


© Copyright 1996–2018 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   Site index