AllenInstitute / AllenInstitute/ConnectsCommonConnectivity
Cross-dataset reads: union DataItems by shared features/clusters
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Description
Problem: DatasetReader is single-dataset; cohorts sharing feature sets or memberships need N calls + manual concat (etl_v1dd_04_read).
Fix: implement planning/20260623/prompts/_deferred/08_readers.md Layer 2; flagship read_dataitems_for_clusters(cluster_ids, via=("membership","mapping")).
Subtasks: move parquet_loader.py → io/parquet_loader.py (pure move); subset-connectivity filter helper (see #17, #18).
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Research direction
Start with planning/20260623/prompts/_deferred/08_readers.md Layer 2 and the existing DatasetReader, then inspect parquet_loader.py and the etl_v1dd_04_read example. Implement read_dataitems_for_clusters with both membership and mapping modes, move parquet_loader.py to io/parquet_loader.py, and review #17 and #18 for the subset-connectivity filter requirements.
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Assessment
- Tech stack
- python
- Domain
- data
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 55/100