@techreport{TUW-199816, author = {Templ, Matthias and Alfons, Andreas and Filzmoser, Peter}, title = {Diagnostic tools for missing values}, institution = {E105 - Institute of Statistics and Mathematical Methods in Economics; Vienna University of Technology}, year = {2011}, number = {Europ. Commission,FP7-SSH-2007-21732,WP8-D8.2-8} }