| vrtest-package | Variance Ratio tests and other tests for Martingale Difference Hypothesis | 
| Adjust.thin | Adjustment for thinly-traded returns | 
| Auto.Q | Automatic Portmanteau Test | 
| Auto.VR | Automatic Variance Ratio Test | 
| AutoBoot.test | Wild Bootstrapping of Automatic Variance Ratio Test | 
| Ave.Ex | Average Exponential Tests | 
| Boot.test | Bootstrap Variance Ratio Tests | 
| Chen.Deo | Power Transformed Joint Variance Ratio Test | 
| Chow.Denning | Chow-Denning Multiple Variance Ratio Tests | 
| DL.test | Dominguez-Lobato Test for Martingale Difference Hypothesis | 
| exrates | wright's Exchange Rates Data | 
| Gen.Spec.Test | Generalized spectral Test | 
| Joint.Wright | A Joint Version of Wight's Rank and Sign Test | 
| JWright.crit | Critical Values for the joint versions of Wright's rank and sign tests | 
| Lo.Mac | Lo-MacKinlay variance Ratio Tests | 
| Panel.VR | Panel Variance Ratio Tests | 
| Spec.shape | Spectral shape tests for random walk | 
| Subsample.test | Subsampling test of Whang and Kim (2003) | 
| VR.minus.1 | Absolute Value of (VR - 1) | 
| VR.plot | Variance Ratio Plot | 
| vrtest | Variance Ratio tests and other tests for Martingale Difference Hypothesis | 
| Wald | Wald Test of Richardson and Smith (1991) | 
| Wright | Wright's Rank and Sign Tests | 
| Wright.crit | Critical Values for Wright's rank and sign tests |