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Software Development Effort Estimates: Comparing Hours and Days

Explore various effort estimates in person-hours and days for software development projects, utilizing COCOMO and function points analysis. Compare and contrast different estimation techniques and their impact on project timelines.

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Software Development Effort Estimates: Comparing Hours and Days

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  1. SWE4663 Fall 2012 individual “effort” estimates • 5 person days (5 x 8= 40person hours) • 44 person-hours • 50 person-hours • 68 person-hours • 78-89 person-hours • 82 person hours • 16 person days (16 x 8 = 128person-hours) • 160 person-hours • 22.8 person-days (22.8 x 8 = 182 person-days) • 240 person-hours • 288person-hours • 320 person-hours • 540 person-hours • 27 work-days (7hrs x 27 days x 4 = 756person hours) • 1440 person-hours • 10.95 pm (22 days x 8 hours x 10.95 = 1927.2person-hours) about 48 times bigger/smaller !

  2. SWE 4663 Fall2010 individual “effort” estimates • 2841 ph (exp. & breakdown) ---- 21.5pm (using 132ph = 1pm) • 470 ph (exp. & breakdown) ---- 3.56pm • 420 ph (exp & breakdown) ---- 3.18pm • 80 ph (exp & breakdown) ---- .6 pm • 400 ph (available time constraint) ---- 3.03 pm • 48 ph (F.P. and 1FP/8PH) ---------- .36pm • 5.14 pm (FP and 20FP/PM) • 1.5 pm (COCOMO & .5kloc) • 1.6 pm (COCOMO & .5kloc) • 3.21 pm (COCOMO & 1kloc) • 7.2 pm (COCOMO & 1kloc plus some errors) • 6.67pm (COCOMO & 2kloc) • 6.52pm (COCOMO & 2kloc) • 8.25pm (COCOMO & 2.5kloc) • 12-13pm (COCOMO & 5kloc) • 26.7pm (COCOMO & 7kloc) 74 times higher/smaller!

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