Table 2 Combination of experimental data.

From: Research on water environmental indicators prediction method based on EEMD decomposition with CNN-BiLSTM

No.

Variable

Prediction target

Combination 1

TEMP, pH, PP, TAN, TP, TN, EC, TUB

DO

Combination 2

TEMP, pH, PP, TAN, TP, TN, EC, TUB + Meteorological information

DO

Combination 3

TEMP, pH, EC, TAN

DO

Combination 4

TEMP, pH, EC, TAN + Meteorological information

DO

  1. Combination 1 employs the remaining 8 water quality indicators, excluding dissolved oxygen, as input variables. Combination 2 incorporates meteorological data into Combination 1 to assess its influence on the prediction. Combination 3 utilizes the top 4 most strongly correlated indicators as input variables. Combination 4 introduces meteorological data into Combination 3
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