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Table 2 Indicator metrics for models with different candidate predictors in the stepwise regression procedure (refer to “Modeling temperature-hydropower operations relationship” section for notations)

From: Realizing ecosystem-safe hydropower from dams

Model predictorsCorrelation coeff. (R)MAE (°C)AIC
\(R_{\text{p}}\)0.191.587624
\(R_{\text{p}} ,{\text{HP}}\)0.451.417282
\(R_{\text{p}} ,{\text{HP}},R_{\text{t}}\)0.471.417252
\(R_{\text{p}} ,{\text{HP}},R_{\text{t}} ,E,I\)0.511.397179
\(R_{\text{p}} ,{\text{HP}},R_{\text{t}} ,T_{\text{a}}^{{\prime }}\)0.581.376983
\(T_{\text{a}}^{{\prime }}\)0.491.487204
\(R_{\text{p}} ,{\text{HP}},R_{\text{t}} ,E,I,T_{\text{a}}^{{\prime }}\)0.591.366937
\(D_{i}\) (\(i\) = 1, 2,…12)0.711.126476
\(R_{\text{p}} ,{\text{HP}},R_{\text{t}} ,E,I,T_{\text{a}}^{{\prime }} ,D_{i}\)0.820.935737