Update dataset/model card

README.md

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+---
+license: mit
+tags: [code, assertion-completion, repository-level]
+---
+
+# code2lora-data-smartcap — smart-capped GRU training QnAs
+
+Smart-capped, file/function-balanced per-commit QnA dataset used to train
+**Code2LoRA-GRU** in the paper. The capping reduces the heavy-tailed
+training distribution by:
+
+1. Dropping trivial targets (`len(target.strip()) < 4`, bare `")"`, etc.).
+2. Round-robin sampling within each commit across (test_file, test_function)
+   groups so file/function diversity is preserved.
+3. Capping each commit at `max_per_commit = 8` and each
+   (commit, test_file) at `max_per_file = 4`.
+
+**Only `in_repo_split == "train"` rows are capped.** Val and test rows
+pass through verbatim, so evaluation suites remain comparable to the
+uncapped dataset.
+
+## Counts
+
+| File | Rows | Notes |
+|---|---:|---|
+| `qna/cr_train.parquet` | 1,187,359 | 215,129 capped train + 437,227 val + 535,003 test (val/test untouched) |
+| `qna/cr_val.parquet`   |   641,848 | full uncapped |
+| `qna/cr_test.parquet`  |   476,455 | full uncapped |
+
+## Split semantics
+
+Two independent split axes:
+
+* `cross_repo_split ∈ {train, cr_val, cr_test}` -- which **repositories** the model has seen.
+* `in_repo_split ∈ {train, val, test}` -- chronological 80/10/10 split of each repo's **commits**.
+
+The four evaluation suites used in the paper map onto these axes as follows:
+
+| Paper suite | File | Selection |
+|---|---|---|
+| Train (loss) | `qna/cr_train.parquet`  | `in_repo_split == "train"` |
+| IR val       | `qna/cr_train.parquet`  | `in_repo_split == "val"`   |
+| IR test      | `qna/cr_train.parquet`  | `in_repo_split == "test"`  |
+| CR val       | `qna/cr_val.parquet`    | all rows                     |
+| CR test      | `qna/cr_test.parquet`   | all rows                     |
+
+All evaluation suites use the **full uncapped** assertion set. Only the in-repo train loss path is smart-capped (see `code2lora/code2lora-data-smartcap`).
+
+
+## Companion datasets
+
+* `code2lora/code2lora-data-commits`   per-commit metadata + diff embeddings
+* `code2lora/code2lora-data-snapshots` direct-projection (static) variant