| correl | Sample Size for Testing Correlation Coefficient | 
| est.auc | Sample size for estimating Area Under the ROC curve | 
| est.se | Sample size for estimating sensitivity | 
| estm | Sample size for estimating single mean | 
| estor | Sample size for estimation of Odds Ratio with specified precision | 
| estp | Sample Size for Estimation of Single Proportion | 
| estRR | Sample size for estimation of Relative Risk | 
| LRneg | Sample Size for Estimating LR negative of a Single Diagnostic Test | 
| LRpos | Sample Size for Estimating LR Positive of a Single Diagnostic Test | 
| n.means | Sample Size for Comparing Independent and dependent means | 
| nprop | Estimate sample size for hypothesis testing on proportions | 
| testor | Sample size for testing Odds Ratio | 
| testRR | Sample size for testing relative risk |