@unpublished{TUW-261975, author = {Walach, Jan and Filzmoser, Peter and Hron, Karel and Walczak, Beata and Najdekr, L}, title = {A new method for variable selection in a two and multi-group case}, year = {2017}, note = {invited; talk: ERCIM 2017 - International Conference of the ERCIM WG on Computational and Methodological Statistics (CMStatistics 2017), London; 2017-12-16 -- 2017-12-18} }