# Multiple Grubbs-Beck Low-Outlier Test

## Documentation for package ‘MGBT’ version 1.1.6

- DESCRIPTION file.
- Package NEWS.

## Help Pages

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
jointPeaks | Construct Joint Peak Object and Empirical Probabilities
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
peakTMtoHRS | Peak Time to Decimal Hours or Compute Mean and Standard Deviations
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
ratioPeakMax1Day | Relations Between Peak Streamflows to 1-Day Annual Maxima
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