Dataset Viewer
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: CastError
Message: Couldn't cast
dataset_name: string
language_instruction_key: string
observation_key: list<item: string>
child 0, item: string
datalist: list<item: string>
child 0, item: string
instruction_split: string
language_annotation_path: string
language_annotation_paths: struct<demo_clean: string, demo_clean_supp_to500_diverse_20260704: string>
child 0, demo_clean: string
child 1, demo_clean_supp_to500_diverse_20260704: string
source_task: string
base_split: string
supplement_split: list<item: string>
child 0, item: string
source_tasks: list<item: string>
child 0, item: string
source_meta_files: list<item: string>
child 0, item: string
split_name: string
to
{'dataset_name': Value('string'), 'language_instruction_key': Value('string'), 'observation_key': List(Value('string')), 'datalist': List(Value('string')), 'instruction_split': Value('string'), 'split_name': Value('string'), 'source_meta_files': List(Value('string'))}
because column names don't match
Traceback: 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 478, 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 2818, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2355, in __iter__
for key, pa_table in self._iter_arrow():
~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2380, 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 343, in _generate_tables
self._cast_table(pa_table, json_field_paths=json_field_paths),
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
pa_table = table_cast(pa_table, self.info.features.arrow_schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2369, in table_cast
return cast_table_to_schema(table, schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2297, in cast_table_to_schema
raise CastError(
...<3 lines>...
)
datasets.table.CastError: Couldn't cast
dataset_name: string
language_instruction_key: string
observation_key: list<item: string>
child 0, item: string
datalist: list<item: string>
child 0, item: string
instruction_split: string
language_annotation_path: string
language_annotation_paths: struct<demo_clean: string, demo_clean_supp_to500_diverse_20260704: string>
child 0, demo_clean: string
child 1, demo_clean_supp_to500_diverse_20260704: string
source_task: string
base_split: string
supplement_split: list<item: string>
child 0, item: string
source_tasks: list<item: string>
child 0, item: string
source_meta_files: list<item: string>
child 0, item: string
split_name: string
to
{'dataset_name': Value('string'), 'language_instruction_key': Value('string'), 'observation_key': List(Value('string')), 'datalist': List(Value('string')), 'instruction_split': Value('string'), 'split_name': Value('string'), 'source_meta_files': List(Value('string'))}
because column names don't matchNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
RMBench ChainVLA 5-Task 500 Diverse Dataset
This dataset packages five RMBench tasks with approximately 500 demonstrations per task for ChainVLA/X-VLA multi-task imitation learning.
Repository: mmlab-franka/RMBench-ChainVLA-5Task-500-Diverse
Contents
| task | base | supplement | total | trimmed |
|---|---|---|---|---|
| rearrange_blocks | 50 | 450 | 500 | 0 |
| observe_and_pickup | 50 | 450 | 500 | 0 |
| put_back_block | 200 | 300 | 500 | 0 |
| swap_blocks | 200 | 300 | 500 | 9 |
| swap_T | 50 | 450 | 500 | 0 |
Total episodes: 2500.
trimmed counts extra collected episodes that are kept locally but excluded from this 500-per-task export.
Split Details
rearrange_blocks:
base: demo_clean (50)
supplement: demo_clean_supp_to500_diverse_20260704 (450)
observe_and_pickup:
base: demo_clean (50)
supplement: demo_clean_supp_to500_diverse_20260704_observe_and_pickup (450)
put_back_block:
base: demo_clean_200 (200)
supplement: demo_clean_supp_to500_diverse_20260704_put_back_block (300)
swap_blocks:
base: demo_clean_200 (200)
supplement: demo_clean_supp_to500_diverse_20260704_swap_blocks, demo_clean_supp_to500_diverse_20260704_swap_blocks_b (300)
swap_T:
base: demo_clean (50)
supplement: demo_clean_supp_to500_diverse_20260704_swap_T_a, demo_clean_supp_to500_diverse_20260704_swap_T_b, demo_clean_supp_to500_diverse_20260704_swap_T_c, demo_clean_supp_to500_diverse_20260704_swap_T_d, demo_clean_supp_to500_diverse_20260704_swap_T_e (450)
Layout
data/<task>/<split>/data/episode*.hdf5
data/<task>/<split>/video/episode*.mp4
data/<task>/<split>/instructions/episode*.json
data/<task>/<split>/seed.txt
data/<task>/<split>/scene_info.json
data/<task>/<split>/language_annotation.json
metas/<task>.json
metas/rmbench500_diverse_20260704_train_meta.json
The temporary _traj_data planning cache and local collection logs are intentionally excluded.
Training Meta
Use:
metas/rmbench500_diverse_20260704_train_meta.json
Paths in the uploaded meta are relative to the dataset repository root.
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