The dataset viewer is not available for this subset.
Exception: SplitsNotFoundError
Message: The split names could not be parsed from the dataset config.
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
return check_status(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 "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 286, in get_dataset_config_info
for split_generator in builder._split_generators(
~~~~~~~~~~~~~~~~~~~~~~~~~^
StreamingDownloadManager(base_path=builder.base_path, download_config=download_config)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 101, in _split_generators
pa_table = next(iter(self._generate_tables(**splits[0].gen_kwargs, allow_full_read=False)))[1]
~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/config/split_names.py", line 68, in compute_split_names_from_streaming_response
for split in get_dataset_split_names(
~~~~~~~~~~~~~~~~~~~~~~~^
path=dataset,
^^^^^^^^^^^^^
config_name=config,
^^^^^^^^^^^^^^^^^^^
token=hf_token,
^^^^^^^^^^^^^^^
)
^
File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 340, in get_dataset_split_names
info = get_dataset_config_info(
path,
...<6 lines>...
**config_kwargs,
)
File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 291, in get_dataset_config_info
raise SplitsNotFoundError("The split names could not be parsed from the dataset config.") from err
datasets.inspect.SplitsNotFoundError: The split names could not be parsed from the dataset config.Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
Skate-BFM Simulation Dataset
This repository contains synchronized HUSKY skateboard simulation rollouts and BFM-compatible derived MotionLibraries for Skate-BFM.
Layout
train/
raw/
phase/
continuous/
val/
raw/
phase/
continuous/
test/
raw/
phase/
continuous/
train/ is the only formal training split. val/ is source-disjoint from
Train and supports evaluator development and model selection. test/ is
source-disjoint from both Train and Val and is reserved for final held-out
reporting. The command grid is intentionally shared; the held-out dimension is
unseen rollout, physics realization, and trajectory.
Each split has synchronized raw/ HUSKY robot-board rollouts, phase-pure
phase/ MotionLibrary records, and fixed 500-frame continuous/ MotionLibrary
records. QC artifacts and provenance manifests are retained alongside each
derived dataset.
MotionLibrary Statistics
| Split | Dataset | Source rollouts | Motions | Frames | Minutes | FPS | SHA256 |
|---|---|---|---|---|---|---|---|
| Train | Phase | 158 | 6,038 | 452,291 | 148.751 | 50 | c2a38568944d46e82a1ed9ab8aa6eb566669f356cbe0f119d9137e14c93c861b |
| Train | Continuous | 158 | 890 | 445,000 | 148.333 | 50 | 4aee1f78c8df5d0eea3ffd1e1f54653c928caf6c4851db9ee21f0ddb1ddd614f |
| Val | Phase | 32 | 1,228 | 92,060 | 30.277 | 50 | 5a03d9539b3535d9b268d83b36b177b3ee88f899b4e167ae6361eaa2522a69b5 |
| Val | Continuous | 32 | 181 | 90,500 | 30.167 | 50 | 991e52646be78c20f52bee690f2c1919ba5909de4b21db108932fa2f347fb719 |
| Test | Phase | 32 | 1,218 | 91,243 | 30.008 | 50 | d7a4342e8314cafc7e4a11ef0f07311e41c61dda49c2c187934c5618c8551c82 |
| Test | Continuous | 32 | 179 | 89,500 | 29.833 | 50 | 8a7db8d8e2e608af80539d2c9605a2ada46de88f76b5819ac5829c718d8c6f94 |
Phase records use the recorded HUSKY phase labels. Continuous records are fixed 500-frame clips at 50 Hz, approximately 10 seconds each.
Download
Download the complete split-first tree:
hf download Yak9Ce3teeh/skate-sim-dataset \
--repo-type dataset \
--local-dir train/dataset/sim_collected
Formal Phase training requires only Train raw and Phase data:
hf download Yak9Ce3teeh/skate-sim-dataset \
--repo-type dataset \
--include "train/raw/**" "train/phase/**" \
--local-dir train/dataset/sim_collected
Val/Test evaluation uses the corresponding val/ or test/ paths. Random-z
rollouts are not the formal skateboard skill metric; held-out evaluation
compares closed-loop robot-board execution against MotionLibrary references.
The data remains subject to the licenses and terms of the upstream HUSKY and BFM-Zero projects.
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