How much slippage? - 2
Step 1
- Select several completed projects
- That serve as good examples of the past
- In each case
- Subtract the effort-based planned elapsed time in days
- From the actual calendar time taken in days
- Divide that by the original estimate of project effort measured in days
- To give you an effort-based percentage (ebp) slippage for that project
- Average the several projects
- To give you a baseline ebp slippage