Bad RMSE for Validation data
HiUsing "Fit Model" I have created a model to identify moisture content in a product using different process parameters. The model is fine (Rsq=0.97) and a fairly low RMSE. The variables used all have Logworth higher than the limit. The problem arises when I want to take in new data for validation. Here the prediction is very bad. The data that I want to validate is not very different from the da...