[R] Sample size using residual standard deviation

[Bert Gunter]

Search "sample size power" on rseek.org. Many useful hits, including
"samplesize" package.

-- Bert


Bert Gunter

"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )


On Wed, Apr 12, 2017 at 9:32 AM, David Winsemius <dwinsemius at comcast.net> wrote:
>
>> On Apr 12, 2017, at 3:20 AM, Jomy Jose <infojomy at gmail.com> wrote:
>>
>> In R how to calculate sample size,where power,residual standard deviation
>> and treatment difference is given.?
>
> Use the non-central t-distribution. The help page has further advice:
>
> ?pt
>
>
>>
>>       [[alternative HTML version deleted]]
>
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> David Winsemius
> Alameda, CA, USA
>
> ______________________________________________
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> and provide commented, minimal, self-contained, reproducible code.