Comment On A.S.C. Ehrenberg & G. J. Goodhardt, H. Hamre's papers
The two approaches had been introduced as alternatives. As such, the group agreed with Ehrenberg & Goodhardt's approach. They did, so on purely practical grounds . The crucial drawback seen in Hamre's approach was that the number of constants or coefficients to be fitted from the data kept increasing. The group felt that this would lead to instability under sampling variation.
- This could also be of interest