Physical change also can be seen in the 2006 model specifications.
Alternatively, the principle is often invoked for model specification: in this case the observed data itself is assumed to be the testable information.
This assumption is called model specification.
The "house of cards" problem largely arises from the utility theory basis of the model specification.
As a possible source of confusion, model specifications and names may list either cooked or uncooked capacity.
It motivates and distinguishes alternative model specifications, e.g., the choice of a functional form for G.
Multinomial choice models can further be classified according to the model specification:
Chevrolet owners can get free "restoration packages" with information on authorized parts suppliers and model specifications.
Using Autocorrelation in model specification (including software and tutorial)
"A working group has been formed to finalize model specifications, exact timing and other details."