On 29 April 2011 08:43, viostorm wrote:
>
> After I shared comments form the forum yesterday with the biostatistician he
> indicated this:
>
> "Fisher's exact test is the non-parametric analog for the Chi-square
> test for 2x2 comparisons. A version (or extension) of the Fisher's Exact
> test, kno
Rob--
Your biostatistician has not disagreed with the rest of us about anything
except for his preferred name for the test. He wants to call it the
Freeman-Halton test, some people call it the Fisher-Freeman-Halton test,
but most people call it the Fisher Exact test -- all are the same test.
tel: 970 226-9326
From:
viostorm
To:
r-help@r-project.org
Date:
04/29/2011 01:23 PM
Subject:
Re: [R] fisher exact for > 2x2 table
Sent by:
r-help-boun...@r-project.org
After I shared comments form the forum yesterday with the biostatistician
he
indicated this:
"Fisher's exact tes
After I shared comments form the forum yesterday with the biostatistician he
indicated this:
"Fisher's exact test is the non-parametric analog for the Chi-square
test for 2x2 comparisons. A version (or extension) of the Fisher's Exact
test, known as the Freeman-Halton test applies to comparison
Thank you all very kindly for your help.
-Rob
Robert Schutt III, MD, MCS
Resident - Department of Internal Medicine
University of Virginia, Charlottesville, Virginia
--
View this message in context:
http://r.789695.n4.nabble.com/fisher-exact-for-2x2-table-tp
On Thu, 28 Apr 2011, viostorm wrote:
I have read the help page, or at least ?fisher.exact
I looked a bit on the Internet I guess it is applicable to > 2x2. I had
spoken to a biostatistician here who is quite excellent and was adamant
with me I could not do > 2x2.
I found this:
http://math
On Fri, 29 Apr 2011, Thomas Lumley wrote:
On Fri, Apr 29, 2011 at 8:01 AM, Mike Miller wrote:
On Thu, 28 Apr 2011, viostorm wrote:
I'm using fisher.exact on a 4x2 table and it seems to work.
Does anyone know exactly what is going on? I thought fisher.exact is
only for 2x2 tables.
You
On Apr 28, 2011, at 4:23 PM, viostorm wrote:
I have read the help page, or at least ?fisher.exact
Then it should have been clear that more than 2x2 tables can be used.
I looked a bit on the Internet I guess it is applicable to > 2x2. I
had
spoken to a biostatistician here who is quite
I have read the help page, or at least ?fisher.exact
I looked a bit on the Internet I guess it is applicable to > 2x2. I had
spoken to a biostatistician here who is quite excellent and was adamant with
me I could not do > 2x2.
I found this:
http://mathworld.wolfram.com/FishersExactTest.html
D
On Fri, Apr 29, 2011 at 8:01 AM, Mike Miller wrote:
> On Thu, 28 Apr 2011, viostorm wrote:
>
>> I'm using fisher.exact on a 4x2 table and it seems to work.
>>
>> Does anyone know exactly what is going on? I thought fisher.exact is only
>> for 2x2 tables.
>
>
> You were wrong. I'm sure there's no
On Apr 28, 2011, at 3:45 PM, viostorm wrote:
I'm using fisher.exact on a 4x2 table and it seems to work.
Does anyone know exactly what is going on? I thought fisher.exact
is only
for 2x2 tables.
Have you read the help page?
--
David Winsemius, MD
West Hartford, CT
___
On Thu, 28 Apr 2011, viostorm wrote:
I'm using fisher.exact on a 4x2 table and it seems to work.
Does anyone know exactly what is going on? I thought fisher.exact is
only for 2x2 tables.
You were wrong. I'm sure there's nothing wrong with the program. You
will find that with bigger tabl
I'm using fisher.exact on a 4x2 table and it seems to work.
Does anyone know exactly what is going on? I thought fisher.exact is only
for 2x2 tables.
Note: I can't use chi-squared because I have a couple of cells with 0 and <
5 observations.
--
View this message in context:
http://r.789695
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