Function to assess whether the balance property holds
Usage
BalanceProperty(obj)
Value
a list with the slots call (the original call), BalanceProperty (logical indicating whether the balance
property is satisfied) and Alpha (Ratio total observed damage to total predicted damage).
Arguments
obj
an object containing the model fit
References
Campo, B.D.C. and Antonio, Katrien (2023). Insurance pricing with hierarchically structured data an illustration with a workers' compensation insurance portfolio. Scandinavian Actuarial Journal, doi: 10.1080/03461238.2022.2161413
Wüthrich, M. V. (2020). Bias regularization in neural network models for general insurance pricing. European actuarial journal10(1), 179–202.