# 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.