Table 2 The NCVresults of RF, SVR, and LR models expressed as mean R2 ± SD.

From: Integrating chemical modification pathways and machine learning for optimization of nitrate removal by rapeseed (Brassica napus L.) biochar

Model

Nested CV (R2 ± SD)

RMSE

RF

0.892 ± 0.056

0.078 ± 0.022

SVR

0.831 ± 0.142

0.093 ± 0.034

LR

0.759 ± 0.148

0.118 ± 0.041

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