| MGBT-package | Multiple Grubbs-Beck Low-Outlier Test | 
| ASlo | Regression of a Heuristic Method for Identification of Low Outliers in Texas Annual Peak Streamflow | 
| BLlo | Barnett and Lewis Test Adjusted for Low Outliers | 
| CondMomsChi2 | Conditional Moments: N.B. Moments employ only observations above Xsi | 
| CondMomsZ | Conditional Moments: N.B. Moments employ only observations above Xsi | 
| CritK | Compute Critical Value of Grubbs-Beck statistic (eta) Given Probability | 
| critK10 | Single Grubbs-Beck Critical Values for 10-percent Test as used in Bulletin 17B | 
| EMS | Expected values of M and S | 
| GGBK | Cohn Approximation for New Generalized Grubbs-Beck Critical Values for 10-Percent Test | 
| gtmoms | Moments of Observations Above the Threshold | 
| makeWaterYear | Make Water Year Column | 
| MGBT | Multiple Grubbs-Beck Test (MGBT) for Low Outliers | 
| MGBT17c | Multiple Grubbs-Beck Test (MGBT) for Low Outliers | 
| MGBT17c.verb | Multiple Grubbs-Beck Test (MGBT) for Low Outliers | 
| MGBTcohn2011 | Multiple Grubbs-Beck Test (MGBT) for Low Outliers | 
| MGBTcohn2013 | Multiple Grubbs-Beck Test (MGBT) for Low Outliers | 
| MGBTcohn2016 | Multiple Grubbs-Beck Test (MGBT) for Low Outliers | 
| MGBTnb | Multiple Grubbs-Beck Test (MGBT) for Low Outliers | 
| peta | Probability of Eta | 
| plotFFQevol | Plot Flood-Frequency in Time | 
| plotPeaks | Plot Peak Streamflows with Emphasis on Peak Discharge Qualification Codes | 
| plotPeaks_batch | Plot for More than One Streamgage that Peak Streamflows with Emphasis on Peak Discharge Qualification Codes | 
| readNWISwatstore | Read NWIS WATSTORE-Formatted Period of Record Peak Streamflows and Other Germane Operations | 
| RSlo | Rosner RST Test Adjusted for Low Outliers | 
| RthOrderPValueOrthoT | P-value for the Rth Order Statistic | 
| splitPeakCodes | Split the Peak Discharge Qualifications Codes into Separate Columns | 
| V | Covariance matrix of M and S-squared | 
| VMS | Covariance matrix of M and S |