[R] Help documentation of "The Studentized range Distribution"

[Jeff Newmiller]

We cannot help you understand what you are doing if you do not show us what you are doing.  Here are some discussions about how to communicate questions about R [1][2][3].

[1] http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example

[2] http://adv-r.had.co.nz/Reproducibility.html

[3] https://cran.r-project.org/web/packages/reprex/index.html
-- 
Sent from my phone. Please excuse my brevity.

On July 6, 2017 11:36:47 AM PDT, Ursula Garczarek <Ursula.Garczarek at cytel.com> wrote:
>Dear all,
>I wanted to compare Bonferroni vs TukeyHSD correction over a range of
>groups and group sizes, and wanted to use the function qtukey.
>
>In the help documentation it says
>
>qtukey(p, nmeans, df, nranges = 1, lower.tail = TRUE, log.p = FALSE)
>Arguments
>q
>
>vector of quantiles.
>
>p
>
>vector of probabilities.
>
>nmeans
>
>sample size for range (same for each group).
>
>df
>
>degrees of freedom for s (see below).
>
>nranges
>
>number of groups whose maximum range is considered.
>
>log.p
>
>logical; if TRUE, probabilities p are given as log(p).
>
>lower.tail
>
>logical; if TRUE (default), probabilities are P[X � x], otherwise, P[X
>> x].
>
>
>But when I test it, "nmeans" actually should be the number of groups,
>and not "nrange" to fit with tables of the studentized range
>distribution.
>
>Can that be - it should be a rather old procedure, so I wonder whether
>I get something completely wrong...
>
>Regards,
>Ursula
>
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