Compute the tail probability of an r-concave random variable. Code taken verbatim from Rajen Shah's personal website: http://www.statslab.cam.ac.uk/~rds37/papers/r_concave_tail.R.
r.TailProbs(eta, B, r)
Upper bound on the expectation of the r-concave random variable.
Number of complementary pairs for stability selection.
Of r-concavity fame.