The value of the RMSE is hight

I used matlab to predict the solar energy so i need to predict it with the ANN model and calculated the RMSE. But every time i did it the RMSE becomes 166.9789 while it must be less than one rmse<1 . What can I do to find the best value for rmse?

Answer 1

[Ameer Hamza]

You can increase the neurons in hidden layers of your ANN model or increase the number of hidden layers to decrease RMSE. However, carefully increase the value. A too high number will result in overfitting.

[Fatma HM]

That’s mean use different structures for ANN?

[Ameer Hamza]

Yes. If the current ANN is giving RMSE of 166.9789, there does not seem to be much room for improvement. You need to use a bigger structure.

[Fatma HM]

Thank you for your help