Improved standard FPA method-resolving problems with upper boundaries in the rating complexity process

  • Authors:

  • Toma Kralj;Ivan Rozman;Marjan Heričko;Aleš ivkovič

  • Affiliations:

  • Tax Administration of the Republic of Slovenia, Trstenjakova ulica 2a, 2250 Ptuj, Slovenia;University of Maribor, Institute of Informatics, Smetanova uilica 17, 2000 Maribor, Slovenia;University of Maribor, Institute of Informatics, Smetanova uilica 17, 2000 Maribor, Slovenia;University of Maribor, Institute of Informatics, Smetanova uilica 17, 2000 Maribor, Slovenia

  • Venue:
  • Journal of Systems and Software
  • Year:
  • 2005

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Abstract

The standard Function Point Analysis (FPA) method maps complexity to an ordinal scale such that function types (functions) labelled ''high'' complexity may have a very different underlying complexity. This deficiency is the subject of this article. An improved FPA method is presented that breaks down a very complex function into an equivalent set of functions with normal complexity. The improved FPA method is not a new method, it is an improvement of the standard FPA method. In the process of defining an improved FPA method, a model was built, which helped us find the connection between the standard FPA method and the Common Software Measurement International Consortium-Full Function Point (COSMIC-FFP) and Mark II Function Point Analysis (MKII FPA) methods. These methods were used to define the improved FPA method algorithm, because they show a bigger functional size for very complex functions. In the end, an evaluation of the improved FPA method was made with the results of the ISBSG Repository Data Disk.