[R] graph in R with grouping letters from the turkey test with agricolae package

[Ebert,Timothy Aaron]

+"turkey test +"mean comparison" 84 hits in google scholar.

There is an aphid "Aphis gossypii." Some people have changed this to "Apis gossypii." "Apis" is a genus for bees, and there is no critter named "Apis gossypii." However there are 45 papers in google scholar suffering from this malady. Some of them the error is in the way the paper was entered into the search engine. If I look at the published paper there is no mistake. It is most fun when Apis mellifera and Apis gossypii exist in the same paper.


In the USA, thanksgiving is a holiday that often includes a meal with turkey. Sometimes the holiday is called turkey day. I wrote in the stats lab "Happy Tukey Day". While most things were erased after a day or so, this stayed for several months.


Tim

-----Original Message-----
From: R-help <r-help-bounces using r-project.org> On Behalf Of Ben Bolker
Sent: Wednesday, September 13, 2023 10:20 AM
To: r-help using r-project.org
Subject: Re: [R] graph in R with grouping letters from the turkey test with agricolae package

[External Email]

   As a side note, I'm curious how often "Tukey test" is misspelled as "Turkey test".


Googling '"turkey test" mean comparison' gives 36.1K results (vs 14.3M for '"tukey test" mean comparison" ...



On 2023-09-13 10:02 a.m., Richard O'Keefe wrote:
>> d <- read.table("data.txt", TRUE)
>> cor(d[, 3:6])
>       VAR1 VAR2 VAR3 VAR4
> VAR1    1    1    1    1
> VAR2    1    1    1    1
> VAR3    1    1    1    1
> VAR4    1    1    1    1
>
> VAR1 to VAR4 are, up to linear scaling, exactly the same variable.
> Why is that?
>
>
> On Wed, 13 Sept 2023 at 07:38, Loop Vinyl <loopvinyl using gmail.com> wrote:
>
>> I would like to produce the attached graph (graph1) with the R
>> package agricolae, could someone give me an example with the attached data (data)?
>>
>> I expect an adapted graph (graph2) with the data (data)
>>
>> Best regards
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--
Dr. Benjamin Bolker
Professor, Mathematics & Statistics and Biology, McMaster University Director, School of Computational Science and Engineering
(Acting) Graduate chair, Mathematics & Statistics  > E-mail is sent at my convenience; I don't expect replies outside of working hours.

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