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Letter to the Editor---The PERT Model for the Distribution of an Activity Time

Author

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  • Charles E. Clark

    (System Development Corporation, Santa Monica, California)

Abstract

An earlier paper describes the PERT analysis of a network of activities (Malcolm, D. G., J. H. Roseboom, C. E. Clark, W. Fazar. 1959. Application of a technique for research and development program evaluation. Opns Res. 7 646--669.), its analytic details, not written by a mathematician, are confusing to many analysts who continually request elucidation. This note is intended to answer the question most frequently asked, namely, whence the statements in that paper concerning the distribution of an activity time?

Suggested Citation

  • Charles E. Clark, 1962. "Letter to the Editor---The PERT Model for the Distribution of an Activity Time," Operations Research, INFORMS, vol. 10(3), pages 405-406, June.
    • Handle: RePEc:inm:oropre:v:10:y:1962:i:3:p:405-406
    DOI: 10.1287/opre.10.3.405
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    Cited by:

    1. Sergei Sabanov & Abdullah Rasheed Qureshi & Zhaudir Dauitbay & Gulim Kurmangazy, 2023. "A Method for the Modified Estimation of Oil Shale Mineable Reserves for Shale Oil Projects: A Case Study," Energies, MDPI, vol. 16(16), pages 1-17, August.
    2. Moayyad Al-Fawaeer & Abdul Sattar Al-Ali & Mousa Khaireddin, 2021. "The Impact of Changing the Expected Time and Variance Equations of the Project Activities on The Completion Time and Cost of the Project in PERT Model," International Journal of Business and Economics, School of Management Development, Feng Chia University, Taichung, Taiwan, vol. 20(2), pages 119-140, September.
    3. Moayyad Al-Fawaeer & Abdul Sattar Al-Ali & Mousa Khaireddin, 2021. "The Impact of Changing the Expected Time and Variance Equations of the Project Activities on The Completion Time and Cost of the Project in PERT Model," International Journal of Business and Economics, School of Management Development, Feng Chia University, Taichung, Taiwan, vol. 20(2), pages 1-22, September.
    4. Lucas Coffman & Clayton R. Featherstone & Judd B. Kessler, 2024. "A Model of Information Nudges," Boston College Working Papers in Economics 1077, Boston College Department of Economics.
    5. Opabola, Eyitayo A. & Galasso, Carmine, 2024. "A probabilistic framework for post-disaster recovery modeling of buildings and electric power networks in developing countries," Reliability Engineering and System Safety, Elsevier, vol. 242(C).
    6. Hajdu M. & Isaac S., 2016. "Sixty years of project planning: history and future," Organization, Technology and Management in Construction, Sciendo, vol. 8(1), pages 1499-1510, December.
    7. Nicholas G. Hall & Marc E. Posner, 2001. "Generating Experimental Data for Computational Testing with Machine Scheduling Applications," Operations Research, INFORMS, vol. 49(6), pages 854-865, December.
    8. Zhen Song & Håkan Schunnesson & Mikael Rinne & John Sturgul, 2015. "An Approach to Realizing Process Control for Underground Mining Operations of Mobile Machines," PLOS ONE, Public Library of Science, vol. 10(6), pages 1-17, June.
    9. Anna Antonova & Konstantin Aksyonov & Olga Aksyonova, 2021. "An Imitation and Heuristic Method for Scheduling with Subcontracted Resources," Mathematics, MDPI, vol. 9(17), pages 1-22, August.
    10. Samadi, S. Yaser & Billard, Lynne, 2021. "Analysis of dependent data aggregated into intervals," Journal of Multivariate Analysis, Elsevier, vol. 186(C).
    11. Yousry Abdelkader, 2010. "Adjustment of the moments of the project completion times when activity times are exponentially distributed," Annals of Operations Research, Springer, vol. 181(1), pages 503-514, December.
    12. Catalina García & José Pérez & Salvador Rambaud, 2010. "Proposal of a new distribution in PERT methodology," Annals of Operations Research, Springer, vol. 181(1), pages 515-538, December.

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