H2: Heterogeneity measure (H2) for pooling groups.

In UKFE: UK Flood Estimation

Heterogeneity measure (H2) for pooling groups.

Description

Quantifies the heterogeneity of a pooled group

Usage

H2(x)

Arguments

x	pooling group derived from the Pool() function

Details

The H2 measure was developed by Hosking & Wallis and can be found in their book 'Regional Frequency Analysis: an approach based on LMoments (1997). It was also adopted for use by the Flood Estimation Handbook (1999) and is described in volume 3.

Value

A vector of two characters; the first representing the H2 score and the second stating a qualitative measure of heterogeneity.

Author(s)

Anthony Hammond

Examples

#Get CDs, form a pooling group and calculate H2
CDs.203018 <- GetCDs(203018)
Pool.203018 <- Pool(CDs.203018)
H2(Pool.203018)

UKFE documentation built on Nov. 6, 2023, 1:07 a.m.