R Under development (unstable) (2024-12-02 r87417 ucrt) -- "Unsuffered Consequences"
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> # This file is part of the standard setup for testthat.
> # It is recommended that you do not modify it.
> #
> # Where should you do additional test configuration?
> # Learn more about the roles of various files in:
> # * https://r-pkgs.org/testing-design.html#sec-tests-files-overview
> # * https://testthat.r-lib.org/articles/special-files.html
> 
> library(testthat)
> library(regtomean)
> 
> test_check("regtomean")
Results:
t opt:    200.0000  in absolute values the best possible t-statistic to test for a treatment effect
p min:    0.0000    the minimal p-value testing for a treatment effect
μ max:    10.00     that μ where the p-value is minimal and treatment effect is 'maximally significant'
μ lower:  0.10      (lowest value of μ with a p-value ≤ 0.05 )
μ upper:  10.00     (highest value of μ with a p-value ≤ 0.05 )

For μ ∈ [ 0.1 ,  10 ], treatment effect is significant under α, considering regression to the mean.
Results:
t opt:    1.9378    in absolute values the best possible t-statistic to test for a treatment effect
p min:    0.0504    the minimal p-value testing for a treatment effect
μ max:    59.00     that μ where the p-value is minimal and treatment effect is 'maximally significant'
μ lower:  Inf       (lowest value of μ with a p-value ≤ 0.05 )
μ upper:  -Inf      (highest value of μ with a p-value ≤ 0.05 )

In the provided range of μ there is no μ for which the test result is significant according to α.
[ FAIL 0 | WARN 0 | SKIP 0 | PASS 9 ]
> 
> proc.time()
   user  system elapsed 
   1.46    0.42    1.87