Treatments of a one-way layout, being equivalent to a control,
can be selected with this package. Bonferroni adjusted "two one-sided
t-tests" (TOST) and related simultaneous confidence intervals are given for
both differences or ratios of means of normally distributed data. For the
case of equal variances and balanced sample sizes for the treatment groups,
the single-step procedure of Bofinger and Bofinger (1995)