exiplot | R Documentation |
Plots estimates of the extremal index.
exiplot(data, tlim, r = 1, ulow = -Inf, rlow = 1, add = FALSE,
nt = 100, lty = 1, xlab = "Threshold", ylab = "Ext. Index",
ylim = c(0,1), ...)
data |
A numeric vector, which may contain missing values. |
tlim |
A numeric vector of length two, giving the limits for the (time invariant) thresholds at which the estimates are evaluated. |
r , ulow , rlow |
The estimation method. See |
add |
Add to an existing plot? |
nt |
The number of thresholds at which the estimates are evaluated. |
lty |
Line type. |
xlab , ylab |
x and y axis labels. |
ylim |
y axis limits. |
... |
Other arguments passed to |
The estimates are calculated using the function exi
.
A list with components x
and y
is invisibly returned.
The first component contains the thresholds, the second contains the
estimates.
clusters
, exi
sdat <- mar(100, psi = 0.5)
tlim <- quantile(sdat, probs = c(0.4,0.9))
exiplot(sdat, tlim)
exiplot(sdat, tlim, r = 4, add = TRUE, lty = 2)
exiplot(sdat, tlim, r = 0, add = TRUE, lty = 4)
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