%0 Journal Article %T The Method of Purging Applied to Repeated Cross-Sectional Data %A Te Grotenhuis, Manfred %A Eisinga, Rob %A Scheepers, Peer %J Quality & Quantity %V 38 %N 1 %P 1-16 %@ 0033-5177 %D 2004-10-18 %I Kluwer Academic Publishers %~ DeepDyve