Constant upgrading of Enterprise Resource Planning
(ERP) systems is necessary, but can cause new defects. This paper
attempts to model the likelihood of defects after completed upgrades
with Weibull defect probability density function (PDF). A case study
is presented analyzing data of recorded defects obtained for one ERP
subsystem. The trends are observed for the value of the parameters
relevant to the proposed statistical Weibull distribution for a given
one year period. As a result, the ability to predict the appearance of
defects after the next upgrade is described.
[1] Michael R. Lyu, ÔÇ×Handbook of Software Reliability Engineering",
Computer Society Press. ISBN:0-07-039400-8. 1996
[2] Lehman, Meir M. (1980). "Programs, Life Cycles, and Laws of Software
Evolution". Proc. IEEE 68 (9): 1060-1076
[3] Hribar L., Duka D., "Software component quality prediction in the
legacy product development environment using Weibull and other
mathematical distributions ", SoftCOM 2009. , Page(s): 254-259
[4] Weibull, W.,"A statistical distribution function of wide applicability",
1951.,J. Appl. Mech.-Trans. ASME 18 (3): 293-297
[5] EasyFit Distribution Fitting Software, www.mathwave.com
[6] Frane Urem, Želimir Mikulić, "Using NHHP model for ERP software
module reliability growth", MIPRO 2010, , Proceedings of the 33rd
International Convention,page(s): 165-168
[1] Michael R. Lyu, ÔÇ×Handbook of Software Reliability Engineering",
Computer Society Press. ISBN:0-07-039400-8. 1996
[2] Lehman, Meir M. (1980). "Programs, Life Cycles, and Laws of Software
Evolution". Proc. IEEE 68 (9): 1060-1076
[3] Hribar L., Duka D., "Software component quality prediction in the
legacy product development environment using Weibull and other
mathematical distributions ", SoftCOM 2009. , Page(s): 254-259
[4] Weibull, W.,"A statistical distribution function of wide applicability",
1951.,J. Appl. Mech.-Trans. ASME 18 (3): 293-297
[5] EasyFit Distribution Fitting Software, www.mathwave.com
[6] Frane Urem, Želimir Mikulić, "Using NHHP model for ERP software
module reliability growth", MIPRO 2010, , Proceedings of the 33rd
International Convention,page(s): 165-168
@article{"International Journal of Business, Human and Social Sciences:63352", author = "F. Urem and K. Fertalj and I. Livaja", title = "The Impact of Upgrades on ERP System Reliability", abstract = "Constant upgrading of Enterprise Resource Planning
(ERP) systems is necessary, but can cause new defects. This paper
attempts to model the likelihood of defects after completed upgrades
with Weibull defect probability density function (PDF). A case study
is presented analyzing data of recorded defects obtained for one ERP
subsystem. The trends are observed for the value of the parameters
relevant to the proposed statistical Weibull distribution for a given
one year period. As a result, the ability to predict the appearance of
defects after the next upgrade is described.", keywords = "ERP, upgrade, reliability, Weibull model", volume = "5", number = "11", pages = "1715-5", }