cmstatrExt 
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cmstatrExt 
cmstatrExt provides statistical methods intended for composite material data that are not included in CMH-17-1G.
You can install this package from CRAN as follows:
In these examples we’ll use the following packages:
Currently, this package provides several functions related to equivalency tests. Factors for a two-sample dual-acceptance criteria can be calculated as follows:
k <- k_equiv_two_sample(
alpha = 0.05,
n = 18, # size of the qualification sample
m = 6 # size of the acceptance sample
)
k
#> [1] 2.9594727 0.9541395The power of this test for detecting reduction in mean can be computed as follows:
power_sim_dual(
n_qual = 18,
m_equiv = 6,
replicates = 2500,
distribution = "rnorm",
param_qual = data.frame(mean = 0, sd = 1),
param_equiv = data.frame(mean = seq(-2, 0, length.out = 11), sd = 1),
k1 = k[1], k2 = k[2]
) %>%
mutate(delta = 0 - mean) %>%
ggplot(aes(x = delta, y = `Rejection Rate`)) +
geom_line()
If you have a suggestion or question, please create an issue on GitHub.
If you want to contribute to this package, Pull Requests are welcome!
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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