3.1 Tracking Progress: Gantt Chart

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3.1 Tracking Progress Gantt Chart

• Activities shown in parallel

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3.1 Tracking ProgressPhases, Steps, and
Activities in Building a House
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3.3 Effort EstimationEstimation Should be Done
Repeatedly

• Uncertainty affects the accuracy of cost and size
  estimations

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3.3 Effort Estimation Watson and Felix Model
Productivity Factors
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Three Stages of COCOMO II
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3.3 Effort Estimation COCOMO II Estimate
Application Points

• To compute application points count the number of
  screens, reports, and programming language used,
  and determine the complexity level

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3.3 Effort EstimationComplexity Weights for
Application Points
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3.3 Effort EstimationProductivity Estimate
Calculation
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3.3 Effort Estimation - Evaluating Models

• No model captures cost for all types of
  development
• PRED(25) within 25 of actual cost
• MMRE - mean magnitude of relative error
• (small is good)

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Risk
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3.4 Risk ManagementRisk Management Activities
(continued)

• Example of risk exposure calculation