Calculates the kblock return level and 95% confidence interval based on a GEV model for block maxima, where k is specified by the user. The kblock return level is that level exceeded once every k blocks, on average.
1  rlevel.gev(out, k.blocks = 20, add = FALSE, ...)

out 
an object returned by the function 
k.blocks 
specifies the particular return level to be estimated; default set arbitrarily to 20 
add 
whether the return level should be added graphically
to a time series plot; if 
... 
other graphics parameters 
The GEV likelihood is reparameterized in terms of the unknown return level and profile likelihood arguments are used to construct a confidence interval.
Vector containing lower 95% bound of confidence interval, estimated return level and upper 95% bound.
gev
, plot.gev
1 2 3 4 5 
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