This crucial data should be to enable that functional unit discharges its duties efficiently. The downside of this process is always that redundancy is unavoidable, as a consequence of data repetition and unused data lying fallow. Until day, I haven't utilised any covariate variable from the design. But I can http://manuelhcule.myparisblog.com/1357085/the-basic-principles-of-critical-success-factors