This function identifies a primary key from a list of Evaluated objects.
Arguments
- object
object of class EvaluatedList
Details
Currently, elements can be uniquely grouped by four identifiers:
the learning method, 2) the hyperparameter configuration,
the response type, 4) the sampling strategy. This function extracts the related values from the EvaluatedList object and check if multiple values are present in order to identify a unique key.