Wilcoxon rank-sum test for two groups — test_wilcoxon • pepdiff

Performs a two-sample Wilcoxon rank-sum test (Mann-Whitney U test) to compare abundance values between control and treatment groups.

Usage

test_wilcoxon(control, treatment, ...)

Arguments

control: Numeric vector of control group values
treatment: Numeric vector of treatment group values
...: Additional arguments passed to [stats::wilcox.test()]

Value

A list with components:

p_value: The p-value from the test
statistic: The test statistic W
method: "wilcoxon"

Examples

ctrl <- c(100, 120, 110, 105)
trt <- c(200, 220, 180, 210)
test_wilcoxon(ctrl, trt)
#> $p_value
#> [1] 0.02857143
#> 
#> $statistic
#> [1] 16
#> 
#> $method
#> [1] "wilcoxon"
#>