| choiceDes-package | Design Functions for Choice Studies |
| cp.scree | Scree plot for tradeoff designs |
| dcm.design | Optimal fractional factorial design |
| dcm.design.cand | Optimal fractional factorial design |
| dcm.design.effcy | INTERNAL: Calculate design efficiencies |
| dcm.design.sort | INTERNAL: Append other design variables |
| optBlockC | Optimal design blocking |
| optFederovC | Optimal design |
| pw.eval | INTERNAL: Evaluate two-way frequencies |
| tradeoff.des | MaxDiff and other tradeoff designs |
| write.tab | INTERNAL: Write a data frame as tab-delimited file |