Estimating & Sizing

Watch this space

Relative Sizing

Story Points

Fibonacci Series

An ongoing activity (re-estimating as we learn more and learn from our estimating errors (est vs actual velocity) )

Agile estimating, planning and forecasting is based on a 'closed-loop' empirical control process rather than the traditional 'open-loop' Estimate - Plan - Track - Manage-Slip Gantt Chart driven approach.

The Cone of uncertainty plays an important role