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Chapter 6: Planning IV Resource and Schedule Estimating - Coggle Diagram
Chapter 6: Planning IV Resource and Schedule Estimating
Productivity
Labor of hours to do a unit of work
Planning Development Plan
A ->Use data on estimated Objects LOC (Probe)
three data points
B-> Use new and changed LOC and actual dev. hours.
Does not requiere several data points
C->Data on estimated or actual new and changed LOC
No data
Estimating task time
Prediction intervals
Multiple Regression intervals
Multiple Parameters
Schedule Estimating
Allocate the estimated hours to do the job to the varios project phases
Direct Work
Process
Resource Estimate: total time estimation for the project
Estimate task hours
Historical Data
Utilization factor: how focus you are
Calculate available hours
Avhr = totalWorkingours * factor
Plan available proyect time per week
Plan task secuence
In large projects use critical paths
Set Schedule
Establish milestones
Earned - Value Tracking
A way to evaluate project progress
Establishes relative value for tasks done
Management
Whenever you have troubles, ask for help. They are there for that reason.
Estimating Accuracy
Degree to which the plan matches the actual results
Calculate error estimation
Error % = 100*(Actual-Estimated)/actual
Estimating Judgement
Ensure the estimation is reasonable
Overcompesation
If you are having problems alternately underestimating and overestimation, seek for some way to stabilize your estimating process