4. What are the advantages and disadvantages of Empirical Modelling?

This answer has not been written yet, however here is an answer to another question! (Taken from Richard Cartwright)

Advantages and Disadvantages of Definitive Notations

Advantages

No need to worry about whether a variable is up to date.
Notations have to be run-time interpreted ... no need for compilation.
Persistent relationships are considered as equivalent to indivisible links between phenomena in the real world.
Any definition can be modified at run time - a completely open ended method of interaction.

Disadvantages

Interpreted languages are slower than compiled code.
To communicate with the conventional sequential world you need to use actions which are triggered when observables are updated.
Works well for primitive data types but for new structure in data often requires a new notation which has the specialised data types as primitives.

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Advantages	No need to worry about whether a variable is up to date. Notations have to be run-time interpreted ... no need for compilation. Persistent relationships are considered as equivalent to indivisible links between phenomena in the real world. Any definition can be modified at run time - a completely open ended method of interaction.
Disadvantages	Interpreted languages are slower than compiled code. To communicate with the conventional sequential world you need to use actions which are triggered when observables are updated. Works well for primitive data types but for new structure in data often requires a new notation which has the specialised data types as primitives.