@unpublished{TUW-243487, author = {Templ, Matthias and Gussenbauer, Johannes and Filzmoser, Peter and Dupriez, Olivier}, title = {Outlier detection in complex survey data including semi-continuous components and missing values}, year = {2015}, keywords = {expenditure data, outlier detection, robust multivariate methods}, note = {invited; talk: ERCIM 2015, London; 2015-12-11 -- 2015-12-14} }