Displays profile loglikelihoods from a model profiled with
profile.evd
, and invisibly returns profile
confidence intervals.
1 2 3 4 
x 
An object of class 
which 
A character vector giving the parameters for which
the profile deviance is plotted, and for which profile confidence
intervals are calculated. By default all profiled parameters in

main 
Title of each plot; a character vector, the
same length as 
ask 
Logical; if 
ci 
A numeric vector. For each parameter in 
clty 
The line type of the horizontal lines that represent
the profile confidence intervals. To omit the lines set

... 
Other graphics parameters. 
Profile devainces are plotted for each parameter in
which
.
A list with one element for each parameter in which
is also returned invisibly.
Each element is a vector of length two or a matrix with two
columns, giving the lower and upper limits of each confidence
interval.
The profile confidence intervals may not have confidence coefficient
ci
, because the usual asymptotic properties of maximum
likelihood estimators may not hold.
For the GEV model, the usual asymptotic properties hold when the
shape parameter is greater than 0.5 (Smith, 1985).
Smith, R. L. (1985) Maximum likelihood estimation in a class of nonregular cases. Biometrika, 72, 67–90.
plot.profile2d.evd
, profile.evd
,
profile2d.evd
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