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nsRFA (version 0.7-16)

Non-Supervised Regional Frequency Analysis

Description

A collection of statistical tools for objective (non-supervised) applications of the Regional Frequency Analysis methods in hydrology. The package refers to the index-value method and, more precisely, helps the hydrologist to: (1) regionalize the index-value; (2) form homogeneous regions with similar growth curves; (3) fit distribution functions to the empirical regional growth curves. Most of the methods are those described in the Flood Estimation Handbook (Centre for Ecology & Hydrology, 1999, ISBN:9781906698003). Homogeneity tests from Hosking and Wallis (1993) and Viglione et al. (2007) are available.

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Version

Install

install.packages('nsRFA')

Monthly Downloads

540

Version

0.7-16

License

GPL (>= 2)

Maintainer

Alberto Viglione

Last Published

November 13th, 2023

Functions in nsRFA (0.7-16)

LOGNORM

Three parameter lognormal distribution and L-moments
HW.original

Original Hosking and Wallis Fortran routine
HOMTESTS

Homogeneity tests
GUMBEL

Two parameter Gumbel distribution and L-moments
GOFlaio2004

Goodness of fit tests
KAPPA

Four parameter kappa distribution and L-moments
Lmoments

Hosking and Wallis sample L-moments
GOFmontecarlo

Goodness of fit tests
MLlaio2004

Maximum likelihood parameters estimation
MSClaio2008

Model Selection Criteria
nsRFA-internal

Internal functions
hydroSIMN

Data-sample
functionsLaio

Data-sample
REGRDIAGNOSTICS

Diagnostics of regressions
SERIESPLOTS

Series plots
bestlm

Subsets regression
moments

Sample moments
P3

Three parameters Pearson type III distribution and L-moments
STATICPLOTS

Static plots
nsRFA-package

Non-supervised Regional Frequency Analysis
roi

Region of influence
varLmoments

Exact variance structure of sample L-moments
traceWminim

Cluster analysis: disjoint regions
FEH1000

Data-sample
AD.dist

Anderson-Darling distance matrix for growth curves
DIAGNOSTICS

Diagnostics of models
BayesianMCMC

Bayesian MCMC frequency analysis
GENLOGIS

Three parameter generalized logistic distribution and L-moments
Ardechedata

Data-sample
GENPAR

Three parameter generalized Pareto distribution and L-moments
DISTPLOTS

Empirical distribution plots
GEV

Three parameter generalized extreme value distribution and L-moments
EXP

Two parameter exponential distribution and L-moments