File:SOP Create Placeholders draft.pdf: Revision history

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17 November 2016

  • curprev 17:2817:28, 17 November 2016 Slmanske talk contribs 506 bytes +506 This document describes how to create and manage placeholders in the case of missing follow up visits in longi- tudinal studies. In order to save some post-hoc data table manipulations, it may be useful to insert dummy placeholders in UPAT_LIST output, fi