exiplot: Extremal Index Plot

Description Usage Arguments Value Author(s) See Also

View source: R/graph-exiplot.R

Description

Plot estimates of the Extremal Index

Usage

1
exiplot(data, u.range, tim.cond = 1, n.u = 50, xlab, ylab, ...)

Arguments

data

A matrix/data.frame with two columns. Columns names must be obs for observations and time for the associated date of each observation.

u.range

A numeric vector of length 2. Specify the range of threshold for which the Extremal Index is estimated.

tim.cond

A time condition to ensure independence between events. Should be in the same unit that data[,"time"].

n.u

Numeric. The number of thresholds at which the Extremal Index is estimated.

xlab, ylab

Optional character strings to label the x and y axis.

...

Optional options to be passed to the plot function.

Value

Returns invisibly a matrix with two columns. The first one thresh giving the threshold and the second one exi the related Extremal Index estimate.

Author(s)

Mathieu Ribatet

See Also

clust


POT documentation built on May 2, 2019, 7:30 a.m.