Multiple Grubbs-Beck Low-Outlier Test
Regression of a Heuristic Method for Identification of Low Outliers in...
Barnett and Lewis Test Adjusted for Low Outliers
Conditional Moments: N.B. Moments employ only observations above Xsi
Conditional Moments: N.B. Moments employ only observations above Xsi
Compute Critical Value of Grubbs--Beck statistic (eta) Given Probabili...
Single Grubbs--Beck Critical Values for 10-percent Test as used in Bul...
Expected values of M and S
Cohn Approximation for New Generalized Grubbs--Beck Critical Values fo...
Moments of Observations Above the Threshold
Make Water Year Column
Multiple Grubbs--Beck Low-Outlier Test
Multiple Grubbs--Beck Test (MGBT) for Low Outliers
Probability of Eta
Plot Flood-Frequency in Time
Plot Peak Streamflows with Emphasis on Peak Discharge Qualification Co...
Plot for More than One Streamgage that Peak Streamflows with Emphasis ...
Read NWIS WATSTORE-Formatted Period of Record Peak Streamflows and Oth...
Rosner RST Test Adjusted for Low Outliers
P-value for the Rth Order Statistic
Split the Peak Discharge Qualifications Codes into Separate Columns
Covariance matrix of M and S-squared
Covariance matrix of M and S
Compute the multiple Grubbs-Beck low-outlier test on positively distributed data and utilities for noninterpretive U.S. Geological Survey annual peak-streamflow data processing discussed in Cohn et al. (2013) <doi:10.1002/wrcr.20392> and England et al. (2017) <doi:10.3133/tm4B5>.