Syed Zeeshan Nasir

Project Software EstimationIS/17133/Aut-07

BS 4th B

Software Project Estimation Outline:

Estimation overviewEstimation resources Estimation decompositionEstimation TechniqueEstimation methodsSlimCocomo

EstimationEstimation is the art of scienceEstimation is the feasibility

reportEstimation provide a road map

for success software engineering

All software product depend upon estimation

Why its important to you!

Software project implemented Software costingQuality software productTime DurationSolution of future problem

Estimation Resources

Human resourcesReusable SW ResourcesEnvironmental Resources

Decomposition technique

Software SizingProblem Based Estimation

Estimation Method

An estimation method to be used with experimental design

An estimation method to be used with non-experimental design

An estimation method to be used with both experimental and non-experimental design

Cost Estimation Models

SLIM (Software Life Cycle Management)

Calibration BuildAdvantages of SLIMDrawbacks of SLIM

COCOMO'81

Boehm's COCOMO model is one of the mostly used models commercially

Basic, intermediate, detailedAdvantages of COCOMO'81Drawbacks of COCOMO'81

started in late 90s COCOMO'81 is not enough to apply to

newer software development practices COCOMO II has three different models The Early Design Model The Post-Architecture Model The Importance of Good Estimation

COCOMO'II

Any Question ?

Only relevant Question

Thank you