Many companies now offer models to fit specific budgets, although we still wouldn't consider any of these options inexpensive.
A high R-squared value does not necessarily mean the model fits the data well.
Any particular model may not fit a specific society, yet a single definition nevertheless remains desirable.
The model implicit in this theory surely fits some of the data.
As shown by the Einstein example, where a theory led the other way round, the model does not fit much of science.
How can I tell if a model fits my data?
"I just wanted to see if our current models would fit these roads."
There are occasions when "a one size fits all" economic model does not fit.
This is where economic growth and a social model fit together very well.
This model will fit a large space and is appropriate for cooking for a crowd.