What are function-oriented metrics?

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Reading a little bit about Software Engineering, in one of the paragraphs, cites a little bit about function-oriented metrics or functionality, but nothing in-depth. There’s even a question in this Systems Analyst/ProgrammerQ22 what reference this.

What are function-oriented metrics?

terminology software-engineering

  • better known as "Function Points"

1 answer

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Is a software metric:

Software metrics make it possible to perform one of the most fundamental activities of the project management process: planning. From this, we can identify the amount of effort, cost and activities that will be necessary for the realization of the project.

Instead of counting lines of code, the function-oriented metric focuses on software functionality. In 1979, Allan Albrecht introduced an evaluation technique known as Function Point().

  • Based on the user’s business vision;
  • It is independent of the language used and of any technology in general;
  • It does not allow calculating the development effort, but generates a variable
  • that can allow its calculation;
  • Helps end-user improve examination and evaluation of projects.

Your objectives are:

  • Measure what was requested and received by the user;

  • Provide a measurement metric to support productivity and quality analysis;

  • Provide a way to estimate software size;
  • Provide a normalization factor for software comparison.

there are some other metrics that are:

  • Size-Oriented Metrics
  • Medidas Diretas
    • Cost, Effort, Lines of Code, Execution Speed, Memory, Number of Errors and Cyclomatic Complexity
  • Medidas Indires
    • Functionality, Quality, Complexity, Efficiency, Reliability and Maintainability

Answering the question of proof. LOC = Lines Of Code, PF = Function Points

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