This is wrapper to the pairwise.t.test function. The p-value adjustment is
"bonferroni" by default. Other possible values are "holm", "hochberg",
"hommel", "BH", "BY", "fdr", "none". See stats::p.adjust().
A two sided formula with one variable on either side, e.g. y ~
x, where the left hand side, dependent, variable is a numeric variable in
data and the right hand side, independent, variable is a categorical or
factor variable in data.
data
A data frame that contains the dependent and independent
variables.