Ferro: Ferro's Estimator of the Extremal Index

Description Usage Arguments Value References Examples

View source: R/dtheta.R

Description

estimates the extremal index with the Ferro's Estimator

Usage

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Ferro(X, rho)

Arguments

X

a vector of numerical value.

rho

the empirical quantile level used to define the time series of excessess over threshold.

Value

return the estimate of the extremal index

References

Ferro, C. A. T., & Segers, J. (2002). Automatic declustering of extreme values via an estimator for the extremal index. (Report Eurandom; Vol. 2002025). Eurandom.

Examples

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n <- 1000
q <- 0.99
ar1 <- 0.5
X <- arima.sim(list(order=c(1,0,0), ar=ar1), n=n)*sqrt(1-ar1^2)
Ferro(X, q)

thaos/dtheta documentation built on Jan. 7, 2021, 6:26 p.m.