Predict the number of logical entities by one of two methods:
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Count the number of business classes and multiply by two (2).
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Count the number of nouns (not including attribute names) in the use cases and multiply by two (2). Note that if
business terms/entities/objects are maintained this could be used to count the nouns instead.
Allow 1-4 hours per entity for conceptual design or architecture planning.
Allow 1-6 hours per entity for high level design.
Allow 2-4 hours per entity in detailed design
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