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how to find Nash, RMSE and R square of my model

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i have created rainfall runoff model in simulink, now i need to calculate Nash, RMSE and R square for my model in simulink. what tool i have to use.

Answers (1)

Manas Meena
Manas Meena on 11 May 2021
You can either calculate the RMSE manually
y = <simulated data>
yhat = <experimental data>
RMSE = sqrt(mean((y - yhat).^2));
or you can refer to this RMSE function


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