STATICPLOTS {nsRFA}R Documentation

Static plots

Description

Plots from books and articles.

Usage

 Lmoment.ratio.diagram ()
 Lspace.HWvsAD ()
 Lspace.limits ()

Value

Lmoment.ratio.diagram plots points corresponding to two parameters distributions and lines corresponding to three parameters distributions on the 'L-CA - L-kur' plane. The distributions are: E = exponential, G = gumbel, L = logistic, N = normal, U = uniform, GLO = generalized logistic, GEV = generalized extreme-value, GPA = generalized Pareto, LN3 = lognormal, PE3 = Pearson type III.
Lspace.HWvsAD separate regions, in 'L-CA - L-CV' space, where the homogeneity tests of Hosking and Wallis (HW) and Anderson-Darling (AD) are preferable.
Lspace.limits displays limits for regional L-moments in the 'L-CA - L-CV'.

Author(s)

Alberto Viglione, e-mail: alviglio@tiscali.it.

References

Hosking, J.R.M. and Wallis, J.R. (1997) Regional Frequency Analysis: an approach based on L-moments, Cambridge University Press, Cambridge, UK.

Viglione A., Laio F., Claps P. (2006) A comparison of homogeneity tests in Regional Frequency Analysis. Water Resourches Rese arch, In press.

See Also

EXP, GENLOGIS, GENPAR, LOGNORM, GUMBEL, GEV, P3

Examples

Lmoment.ratio.diagram()
Lspace.HWvsAD()
Lspace.limits()

data(hydroSIMN)
annualflows[c(1:10),]
x <- annualflows["dato"][,]
cod <- annualflows["cod"][,]
rlm <- regionalLmoments(x,cod)
Lmoment.ratio.diagram()
points(rlm["lcaR"],rlm["lkurR"],col="red",pch=19)

Lspace.HWvsAD()
points(rlm["lcaR"],rlm["lcvR"],col="red",pch=19)

[Package nsRFA version 0.3-6 Index]