Get the root mean squared error between actual and predicted target field values on the test data. It returns a value in absolute units (comparable to the original range in the target field) to describe the expected deviation of a predicted value from the actual value.
Parameters
- regModel
- A value of type DM_RegressionModel
Return Value
The return Value is of type DOUBLE
- If the property requested is not set, NULL is returned.
- If the condition above does not apply, the value DOUBLE is returned.