The high precision Man-Hours estimated technique in a system proposal phase

  • Authors:

  • Yoshinori Fukue;Masakazu Takahashi;Kazuhiko Tsuda

  • Affiliations:

  • Fujitsu Limited, Nishishinjuku 6-5-1, Shinjuku, Tokyo, 163-1333, Japan.;Graduate School of Medical and Engineering, University of Yamanashi, Takeda 4-3-11, Kofu, Yamanashi, 400-8511, Japan.;Graduate School of Systems Management, University of Tsukuba, Otsuka 3-29-1, Bunkyo, Tokyo, 112-0012, Japan

  • Venue:
  • International Journal of Computer Applications in Technology
  • Year:
  • 2009

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Abstract

Enterprises adopt various Small Scale Office Information System (SOIS) for business operations. SOIS requires frequent modifications because of the operation changes schedule, but it includes significant errors. This paper proposes an MH estimation technique of SOIS. In this technique, regression analysis is conducted using results of MH and it derives a relationship that is "the square of the number of input data is in proportion to MH". We applied this relationship and confirmed to estimate MH within 10% error. Consequently, risks to fall into the red can be avoided.