| odr-package | Optimal Design and Statistical Power for Experimental Studies Investigating Main, Mediation, and Moderation Effects | 
| gen.design.pars | Generate optimal design parameters using ant colony optimization | 
| od.1 | Optimal sample allocation calculation for single-level experiments detecting main effects | 
| od.1.111 | Optimal sample allocation calculation for single-level randomized controlled trials (RCTs) investigating mediation effects (1-1-1) | 
| od.2 | Optimal sample allocation calculation for two-level CRTs detecting main effects | 
| od.2.221 | Optimal sample allocation calculation for two-level CRTs probing mediation effects with cluster-level mediators | 
| od.2.221m | Optimal sample allocation calculation for two-level CRTs probing moderation effects with cluster-level moderators | 
| od.2m | Optimal sample allocation calculation for two-level MRTs detecting main effects | 
| od.2m.111 | Optimal sample allocation calculation for two-level multisite-randomized trials investigating mediation effects with individual-level mediators (1-1-1) | 
| od.2m.111m | Optimal sample allocation identification for two-level multisite randomized trials investigating main and moderation effects with individual-level moderators | 
| od.3 | Optimal sample allocation calculation for three-level CRTs detecting main effects | 
| od.3m | Optimal sample allocation calculation for three-level MRTs detecting main effects | 
| od.4 | Optimal sample allocation calculation for four-level CRTs detecting main effects | 
| od.4m | Optimal sample allocation calculation for four-level MRTs detecting main effects | 
| odr | Optimal Design and Statistical Power for Experimental Studies Investigating Main, Mediation, and Moderation Effects | 
| power.1 | Budget and/or sample size, power, MDES calculation for single-level experiments detecting main effects | 
| power.1.111 | Budget and/or sample size, power, MDES calculation for MRTs investigating mediation effects with individual-level mediators | 
| power.2 | Budget and/or sample size, power, MDES calculation for two-level CRTs detecting main effects | 
| power.2.221 | Budget and/or sample size, power calculation for CRTs probing mediation effects with cluster-level mediators | 
| power.2m | Budget and/or sample size, power, MDES calculation for two-level MRTs detecting main effects | 
| power.2m.111 | Budget and/or sample size, power, MDES calculation for MRTs investigating mediation effects with individual-level mediators | 
| power.2m.111m | Budget and/or sample size, power, MDES calculation for two-level MRTs detecting moderation effects with moderators at level 1 | 
| power.3 | Budget and/or sample size, power, MDES calculation for three-level CRTs detecting main effects | 
| power.3m | Budget and/or sample size, power, MDES calculation for three-level MRTs detecting main effects | 
| power.4 | Budget and/or sample size, power, MDES calculation for four-level CRTs detecting main effects | 
| power.4m | Budget and/or sample size, power, MDES calculation for four-level MRTs detecting main effects | 
| re | Relative efficiency (RE) calculation | 
| rpe | Relative precision and efficiency (RPE) calculation |