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The dataset viewer is not available for this split.
Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code:   StreamingRowsError
Exception:    ValueError
Message:      Expected object or value
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 290, in _generate_tables
                  pa_table = paj.read_json(
                      io.BytesIO(batch), read_options=paj.ReadOptions(block_size=block_size)
                  )
                File "pyarrow/_json.pyx", line 342, in pyarrow._json.read_json
                File "pyarrow/error.pxi", line 155, in pyarrow.lib.pyarrow_internal_check_status
                File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
                  raise convert_status(status)
              pyarrow.lib.ArrowInvalid: JSON parse error: Column() changed from object to string in row 0
              
              During handling of the above exception, another exception occurred:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
                  return get_rows(
                      dataset=dataset,
                  ...<4 lines>...
                      column_names=column_names,
                  )
                File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
                  return func(*args, **kwargs)
                File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
                  rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
                File "/src/services/worker/src/worker/utils.py", line 483, in safe_iter
                  yield from ds.decode(False) if ds.features else ds
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2840, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2373, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2398, in _iter_arrow
                  for key, pa_table in self.ex_iterable._iter_arrow():
                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
                  for key, pa_table in iterator:
                                       ^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
                  for key, pa_table in self.generate_tables_fn(**gen_kwags):
                                       ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 304, in _generate_tables
                  batch = json_encode_fields_in_json_lines(original_batch, json_field_paths)
                File "/usr/local/lib/python3.14/site-packages/datasets/utils/json.py", line 111, in json_encode_fields_in_json_lines
                  examples = [ujson_loads(line) for line in original_batch.splitlines()]
                              ~~~~~~~~~~~^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/utils/json.py", line 20, in ujson_loads
                  return pd.io.json.ujson_loads(*args, **kwargs)
                         ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
              ValueError: Expected object or value

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York Milestone Project — Phase 1 experiment artifacts (per-example results & manifests)

Raw per-example evaluation records and run manifests backing the thesis numbers. No model checkpoints, no bulk synthetic intermediates, no raw API request logs.

  • qwen_main_repair_v3/ — Qwen2.5-1.5B main run: baseline/DPO per-example outputs, results, split, summary, LoRA recipe (training_summary/adapter_config)
  • llama_main_repair_v3/ — Llama-3.2-1B generalization run, same layout (dpo_examples/dpo_results)
  • confusion_ablation_repair_v3/ — six control conditions; per-condition examples/results + LoRA recipe (seed, data count, best checkpoint inside training_summary.json); shared top summary
  • semantic_eval_v4/ — post-hoc semantic eval: per_example.json, summary, RUN_MANIFEST, CALIBRATION_COMPLETE, model_scores cache (evaluator script: repo src/scripts/run_phase1_posthoc_semantic_eval.py)
  • openai_judge_full_v2/, openai_judge_base_ext_v1/ — blind-judge runs: analysis/ (final per-judgement long table, report, bootstrap draws), records.tar.gz + admissions.tar.gz (per-sample judgements), all manifests/status flags/hashes; API request logs excluded
  • repair_automation_v3/ — final run proof: RUN_MANIFEST, phase1_repair_summary, PHASE1_REPAIR_COMPLETE, full training/eval logs
  • integrity/ — PROTECTED_ARTIFACTS.sha256 (every file), GIT_COMMIT.txt, PIP_FREEZE.txt, GPU_CUDA_INFO.txt

Companion repos: self-training-loop-phase2-arms (Phase 2 arms/eval/human adjudications), self-training-loop-phase2-adapters.

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