| q.test | Hypothesis Tests and Confidence Intervals for functions of quantiles |
| qcov | Approximate Covariance Matrix Estimation for Vectors of Quantile Estimators |
| qden | Quantile Density Estimation |
| qineq | Hypothesis Tests and Confidence Intervals for Quantile-based Inequality Measures |
| qor | Quantile Optimality Ratio |
| qrcov | Approximate Covariance Matrix Estimation for Ratios of Linear Combinations of Quantile Estimators |
| rcv.test | Hypothesis Tests and Confidence Intervals for the Robust Coefficient of Variation |