folding.ratio           Computes the folding ratio of the input data
folding.statistics      Computes the folding statistics of the input
                        data
folding.test            Perform the folding test of unimodality
folding.test.bound      Computes the confidence bound for the
                        significance level p
folding.test.pvalue     Computes the p-value of the folding test
pivot.approx            Computes the pivot s_2 (approximate pivot)
