mgbt_test

mgbt_test(x)

Multiple Grubbs-Beck low-outlier test.

The MGBT of Bulletin 17C, which identifies potentially influential low floods (PILFs) in an annual-peak-flow record.

Parameters

Name	Type	Description	Default
x	array-like of float	Observations (annual peak flows).	required

Returns

Name	Type	Description
	int	The number of low outliers detected.