task_cards/synthetic/D3_aligned_discrete.md

d3 discrete groups aligned Task Card

• Task ID: d3_discrete_groups_aligned
• Subset: synthetic
• Samples: 6250
• Simplex dimension: 10
• Predictor: Oracle mean predictor from the configured DGP
• Regime label: Aligned discrete groups

Evaluation Role

Aligned discrete-group regime where group-wise calibration should have an inductive advantage.

DGP Summary

• DGP family: discrete_groups
• Default score: Aitchison distance
• Default stratification: argmax_group with 2 strata
• Calibration size: 500
• Test size: 5000
• Repetitions: 200

Release Contents

• R
• U
• X
• Y
• sigma_true
• split

Provenance And Rebuild

• Source asset: Synthetic DGP
• Config file: configs/synthetic/d3_discrete_groups_aligned.yaml
• Redistribution: open
• Seed: 2026

Limitations

The grouping is built into the DGP. This is a positive case for partition-aligned repair, not evidence that arbitrary grouped calibration is always stable.