The abstract does say
> limitations, principally the small number of tournaments available for validation and the risk of in-sample weight selection
But I agree this model is no more valuable than Paul the Octopus.
That almost makes it worse—like they're vaguely aware that training too heavily on too small a data set makes badly trained models, but are unaware that it has a name and is an actual identified problem.
That almost makes it worse—like they're vaguely aware that training too heavily on too small a data set makes badly trained models, but are unaware that it has a name and is an actual identified problem.