As running simulation ensembles across
systematically designed model families would require billions of dollars and thousands times more computing power — we simply decide subjectively what a plausible solution looks like after the fact.
Where precision is an issue (e.g., in a climate forecast), only simulation ensembles made across
systematically designed model families allow an estimate of the level of relevant irreducible imprecision... In each of these model — ensemble comparison studies, there are important but difficult questions: How well selected are the models for their plausibility?
We are not at the stage of having «
systematically designed model families» — thus the first hurdle for precision is not cleared.
It is very far from the «
systematically designed model families» of James McWilliams.
The only way to approach that question is with
systematically designed model families.
Not exact matches
In its fourth generation now, the flagship
model, from Audi, now gets a new
design language, an innovative touchscreen operating concept and a
systematically electrified drive.
In its fourth generation, the flagship
model again provides the benchmark for Vorsprung durch Technik - with a new
design language, an innovative touchscreen operating concept and a
systematically electrified drive.
Using a rules based, risk budget
model, the BNPP CASA Index
systematically allocates across each of these strategies, as frequently as daily,
designed to adapt to various market conditions.
Irreducible imprecision from dynamical complexity can only be asessed by a
systematically designed family of
models.