The shape of the source item.
The original item.
The numeric value used for ranking.
1-based position after sorting largest → smallest.
Running sum of value from the largest item through this one.
ParetoItem.cumulative divided by the grand total (0–1 scale).
This item's own share of the grand total (0–1 scale).
Pareto classification for this contributor.
A single contributor after Pareto analysis.