4 connected articles
Discussing the limitations of traditional PERT and introducing my personal project estimation tool, Wagn Project Tracker, which uses a certainty-based approach.
Defining estimation uncertainty and explaining how PERT's Standard Deviation (SD = (P - O) / 6) quantifies the risk or confidence level in an estimate.
Defining Expected Duration (E) in PERT and explaining the calculation using the weighted average formula E = (O + 4M + P) / 6.
Defining PERT (Program Evaluation and Review Technique), a method using three-point estimates to manage project uncertainty and improve forecast reliability.