| pRSR-package | It tests periodicity for any series using response surface regression (RSR). | 
| FitHReg | Fits Three Parameter Harmonic Regression | 
| GetFitHReg | Compute loglikelihood ratio test statistic | 
| plotrsr | Plot of response surface regression for different quantile | 
| pRSR | It tests periodicity for any series using response surface regression (RSR). | 
| pvalrsr | Finds pvalue for testing periodicity using RSR. | 
| SimulateAR1 | Simulate AR(1) series | 
| SimulateHReg | Simulate Harmonic Regression | 
| TPout | Utility function |