| 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) |