Fig. 7
Time series of PH IN WWTP I. Showing also system
flags and proposed DQC. In Cyan, time windows in which the proposed data validation identified
faulty data (no-yes), as May 2016 and January 2017. In Yellow, time windows in which there was no identification by any system (no-no) but visual inspection
shows that there is faulty data as in June 2017
A Bird’s-Eye View of Data Validation in the Drinking Water Industry of the. . .
89
Time series of PH IN WWTP I. Showing also system
flags and proposed DQC. In Cyan, time windows in which the proposed data validation identified
faulty data (no-yes), as May 2016 and January 2017. In Yellow, time windows in which there was no identification by any system (no-no) but visual inspection
shows that there is faulty data as in June 2017
A Bird’s-Eye View of Data Validation in the Drinking Water Industry of the. . .
89