| ABdesign | Sample size determination for A + B escalation design without dose de-escalation |
| crsize | Sample size determination for crossover study design |
| crt.match | Cluster numbers determination for cluster randomized trails (CRT) matched case |
| crt.unmatch | Cluster number determination for cluster randomized trails (CRT) unmatched case |
| expsize | Sample size determination for survival data using exponential assumption |
| phsize | Sample size determination using proportional hazard assumption |
| precsize | Sample size determination using power and precision analysis |
| prsize | Sample size determination for parallel study design. |