View source: R/check_symmetry.R
check_symmetry | R Documentation |
Uses Hotelling and Solomons test of symmetry by testing if the standardized
nonparametric skew (\frac{(Mean - Median)}{SD}
) is different than 0.
This is an underlying assumption of Wilcoxon signed-rank test.
check_symmetry(x, ...)
x |
Model or numeric vector |
... |
Not used. |
V <- suppressWarnings(wilcox.test(mtcars$mpg))
check_symmetry(V)
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