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Author or maintainer of the following packages:

hgam

High-dimensional additive models as introduced by Meier, van der Geer and Buehlmann (2009).
MUCflights

Functions for downloading flight data from http://www.munich-airport.de and for analyzing flight pat...
sfa

Stochastic Frontier Analysis introduced by Aigner, Lovell and Schmidt (1976) and Battese and Coelli ...