@article{TUW-234646, author = {Mert, Mehmet Can and Filzmoser, Peter and Hron, Karel}, title = {Sparse principal balances}, journal = {Statistical Modelling}, year = {2015}, volume = {15}, number = {2}, pages = {159--174}, doi = {10.1177/1471082X14535525}, keywords = {principal component analysis; compositionala data; isometric logration transformation; sparseness} }