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Issue No. 04 - July/August (1989 vol. 6)
ISSN: 0740-7459
pp: 92-99
<p>Estimation of development time for multimillion-line software is addressed. Three methods are discussed. The historical-database approach finds the statistical trend line by regression analysis that relates project development time to size in source lines, and extends it to a ten-million-line size. The software macroestimation methods, Cocomo (cost constructive model) and the software life-cycle model, forecast labor effort and schedule from early estimates of the amount of functionality in the project. The three methods all point to the conclusion that a large amount of time must be allowed.</p>
large-scale software; development time; multimillion-line software; historical-database approach; statistical trend line; regression analysis; software macroestimation methods; Cocomo; cost constructive model; software life-cycle model; labor effort; DP management; software engineering

W. Myers, "Allow Plenty of Time for Large-Scale Software," in IEEE Software, vol. 6, no. , pp. 92-99, 1989.
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