| corMatQn | Robust correlation matrix |
| corQn | Robust correlation between the variables 'x' and 'y' |
| covMatQn | Robust covariance matrix |
| covQn | Robust covariance between the variables 'x' and 'y' |
| GPH_estimate | Classical and Robust Geweke and Porter-Hudak (GPH) estimators for the long-memory parameter d of a long-range dependent stationary processes |
| PerioMrob | Robust M-periodogram |
| PerQn | Robust periodogram based on the Robust ACF |
| plot.robacf | Plot Robust Autocovariance and Robust Autocorrelation Functions |
| robacf | Robust autocorrelation or autocovariance function estimation |
| tsqn | Applications of the Qn estimator to time series (univariate and multivariate) |