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Tests for symmetry when the center of symmetry is unknown
Provides functionality of implementation of statistical testing whether a dataset comes from a symmetric distribution when the center of symmetry is unknown, including Wilcoxon test and sign test procedure. In addition, sample size determination for both tests is provided.
To install this package, use the statement below in R:
devtools::install_github("jzhou54/TestsSymmetry")
# or install.packages("TestsSymmetry")
library(TestsSymmetry)Here are some examples for the functions
x <- rchisq(50, df = 5) # asymmtric case
y <- rnorm(n=50) # symmetric case
mod.symm.test(x, alternative="two.sided", method="wilcox")
mod.symm.test(y, alternative="two.sided", method="wilcox") x <- rchisq(30, df = 5) # asymmtric case
n.symm.test(x, power = 0.6, method = "wilcox")
n.symm.test(x, power = 0.6, method = "sign")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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