| 4 instances removed from the dataset, because the |target dates undefined: |D-5/8/91 |D-6/8/91 |D-7/8/91 |D-8/8/91 |by Xiaoyuan Su, University of Alberta class: 1,2,3,4,5,6,7,8,9,10,11,12,13 Q-E: continuous ZN-E: continuous PH-E: continuous DBO-E: continuous DQO-E: continuous SS-E: continuous SSV-E: continuous SED-E: continuous COND-E: continuous PH-P: continuous DBO-P: continuous SS-P: continuous SSV-P: continuous SED-P: continuous COND-P: continuous PH-D: continuous DBO-D: continuous DQO-D: continuous SS-D: continuous SSV-D: continuous SED-D: continuous COND-D: continuous PH-S: continuous DBO-S: continuous DQO-S: continuous SS-S: continuous SSV-S: continuous SED-S: continuous COND-S: continuous RD-DBO-P: continuous RD-SS-P: continuous RD-SED-P: continuous RD-DBO-S: continuous RD-DQO-S: continuous RD-DBO-G: continuous RD-DQO-G: continuous RD-SS-G: continuous RD-SED-G: continuous