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Measurement

Measurement software engineering standards are published by ISO, IEC, and IEEE. They cover COSMIC, FiSMA, NESMA, IFPUG and measurement processes.

ISO/IEC 19761:2011

Software engineering - COSMIC: a functional size measurement method

ISO/IEC 19761:2011 specifies the set of definitions, conventions and activities of the COSMIC Functional Size Measurement Method. It is applicable to software from the following functional domains: application software; real-time software; hybrids of the above. ISO/IEC 19761:2011 has not been designed for measuring the functional size of a piece of software, or its parts, which is characterized by complex mathematical algorithms or other specialized and complex rules, such as can be found in expert systems, simulation software, self-learning software and weather forecasting systems, or processes continuous variables such as audio sounds or video images, such as can be found in computer game software, musical instruments and the like.

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ISO/IEC 29881:2010

Information technology - Systems and software engineering - FiSMA 1.1 functional size measurement method

ISO/IEC 29881:2010 specifies the set of definitions, conventions and activities of FiSMA 1.1. The target audience of ISO/IEC 29881:2010 includes anyone who applies FiSMA 1.1 to measure the functional size of a piece of software. FiSMA 1.1 is intended for use by those persons associated with the acquisition, development, use, support, maintenance, and audit of software. FiSMA 1.1 is based on an assessment of the Functional User Requirements. It measures the functional size of a piece of software from the perspective of the users.

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ISO/IEC 24570:2018

Software engineering - NESMA functional size measurement method - Definitions and counting guidelines for the application of function point analysis

ISO/IEC 24570:2018 specifies the set of definitions, rules and guidelines for applying the Nesma Function Point Analysis (FPA) method.

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ISO/IEC 20926:2009

Software and systems engineering - Software measurement - IFPUG functional size measurement method 2009

ISO/IEC 20926:2009 specifies the set of definitions, rules and steps for applying the IFPUG (International Function Point Users Group) functional size measurement (FSM) method. ISO/IEC 20926:2009 is conformant with all mandatory provisions of ISO/IEC 14143-1:2007. It can be applied to all functional domains and is fully convertible to prior editions of IFPUG sizing methods. IFPUG function point analysts have identified different delivery rates (hours to deliver a function point) related to building applications in different functional domains calibrated for varying project sizes and software complexities. ISO/IEC 20926:2009 can be applied by anyone requiring a measurement of functional size. Persons experienced with the method will find ISO/IEC 20926:2009 to be a useful reference.

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ISO/IEC/IEEE 15939:2017

Systems and software engineering - Measurement process

ISO/IEC/IEEE 15939:2017 provides an elaboration of the measurement process from ISO/IEC 15288 and ISO/IEC 12207. The measurement process is applicable to system and software engineering and management disciplines. The process is described through a model that defines the activities of the measurement process that are required to adequately specify what measurement information is required, how the measures and analysis results are to be applied, and how to determine if the analysis results are valid. The measurement process is flexible, tailorable, and adaptable to the needs of different users. ISO/IEC/IEEE 15939:2017 identifies a process that supports defining a suitable set of measures that address specific information needs. It identifies the activities and tasks that are necessary to successfully identify, define, select, apply, and improve measurement within an overall project or organizational measurement structure. It also provides definitions for commonly used measurement terms.

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