Function Point Analysis (FPA)

Function Point Analysis (FPA) : Key Points to Remember

  • Function point analysis is an indirect measure of software size and complexity. It does not address the elements of time and budget.
  • The primary purpose of the function point analysis is to:
    1. Measure and provide the software application functional size
    2. Measure the software project development along with its maintenance
  • In Function Point Analysis, the estimation basis is detailed analysis of the following estimation attributes:
    1.Number of External Inputs(EI)
    2. Number of External Output (EO)
    3. Number of external inquiries (EQ)
    4. Number of internal files (ILF)
    5. Number of external interfaces (EIF)
  • Function Point Analysis is programming language independent
  • For sizing software based on FP, several recognized standards and/or public specifications have been published. Examples include: ISO Standards ISO/IEC 19761:2011,  ISO/IEC 29881:2008, ISO/IEC 20926:2009, ISO/IEC 20968:2002 and ISO/IEC 24570:2005

Key Risk Indicators (KRI)

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