@unpublished{TUW-199168, author = {Templ, Matthias and Kowarik, Alexander and Filzmoser, Peter and Alfons, Andreas}, title = {A computational and methodological framework for visualisation and imputation of missing values: the R-package VIM}, year = {2011}, note = {talk: Statistische Tage 2011, Graz; 2011-09-09} }