nsRFA (version 0.1-6)

STATICPLOTS: 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'.

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)