Computes the shape estimator for varying k up to sample size of maximum kmax largest observations
shape.rbm(xdat, k = 10:floor(length(xdat)/2), ...)a list with elements
number of exceedances
tail index estimate, strictly positive
empirical Bayes estimate of risk
threshold given by the smallest order statistic considered in the sample
[vector] sample exceedances
[int] vector of integers for which to compute the estimator
additional parameters, currently ignored
Wager, S. (2014). Subsampling extremes: From block maxima to smooth tail estimation, Journal of Multivariate Analysis, 130, 335-353, tools:::Rd_expr_doi("10.1016/j.jmva.2014.06.010")