| demo_returns | Asset returns used in Ang, Chen and Xing (RFS, 2006), sorted into ten portfolios. | 
| monoBonferroni | Test of weak monotonicity using Bonferroni bounds | 
| monoRelation | Testing the monotonic relationship in asset returns | 
| monoSummary | Summary of Patton and Timmermann monotonicity (JoE, 2010) tests | 
| monoUpDown | Up and Down test | 
| statBootstrap | Stationary bootstrap method | 
| wolak | Testing inequality constraints in linear econometric models |