mann_whitney {exploratory}

Mann-Whitney U Test (Also called Wilcoxon Rank-Sum Test)

Description

A nonparametric equivalent of the independent t-test

Usage

mann_whitney(data = NULL, iv_name = NULL, dv_name = NULL, sigfigs = 3)

Arguments

data

a data object (a data frame or a data.table)

iv_name

name of the independent variable (grouping variable)

dv_name

name of the dependent variable (measure variable of interest)

sigfigs

number of significant digits to round to

Value

the output will be a data.table object with all pairwise Mann-Whitney test results

Examples

mann_whitney(data = iris, iv_name = "Species", dv_name = "Sepal.Length")