What are PERT Estimates?
作者:
WilliamsT. M.,
期刊:
Journal of the Operational Research Society
(Taylor Available online 1995)
卷期:
Volume 46,
issue 12
页码: 1498-1504
ISSN:0160-5682
年代: 1995
DOI:10.1057/jors.1995.209
出版商: Taylor&Francis
关键词: PERT
数据来源: Taylor
摘要:
AbstractThis paper questions what network parameter-estimates really are. This follows recent papers on Parkinson's law, on the relationship with Management by Objectives, and on the historical basis on which these estimates are made. An underlying distribution is proposed that follows from these points—both a general shape and a pragmatic approximation—which can be shown to reflect behaviour found in practice, and has indeed been used in practical risk analysis.
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