Journal of Spectroscopy / 2014 / Article / Tab 2

Research Article

Online Monitoring of Water-Quality Anomaly in Water Distribution Systems Based on Probabilistic Principal Component Analysis by UV-Vis Absorption Spectroscopy

Table 2

Signs for four actual circumstances of water-quality.

Actual water-quality normalActual water-quality abnormal

Evaluated water-quality normalTrue negative (TN)False negative (FN)
Evaluated water-quality abnormalFalse positive (FP)True positive (TP)

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