Datasets:

azithromycin
/

AnasElkhabbaz_sensor_dataset

Exception:    SplitsNotFoundError
Message:      The split names could not be parsed from the dataset config.
Traceback:    Traceback (most recent call last):
                File "tsfile/tsfile_py_cpp.pyx", line 567, in tsfile.tsfile_py_cpp.tsfile_reader_new_c
              tsfile.exceptions.FileOpenError: 28: 
              
              The above exception was the direct cause of the following exception:
              
              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/tsfile/tsfile.py", line 271, in _split_generators
                  scan = self._scan_metadata(all_files)
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/tsfile/tsfile.py", line 318, in _scan_metadata
                  with self._open_reader(file) as reader:
                       ~~~~~~~~~~~~~~~~~^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/tsfile/tsfile.py", line 742, in _open_reader
                  return TsFileReader(file)
                File "tsfile/tsfile_reader.pyx", line 323, in tsfile.tsfile_reader.TsFileReaderPy.__init__
              SystemError: <class '_weakrefset.WeakSet'> returned a result with an exception set
              
              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 71, 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.

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Sensor Dataset TsFile

Apache TsFile conversion of AnasElkhabbaz/sensor_dataset, a LeRobot v2.1 three-channel resting muscle-sensor dataset.

Source and provenance

Original dataset: https://huggingface.co/datasets/AnasElkhabbaz/sensor_dataset
Original author/uploader: Anas elkhabbaz (AnasElkhabbaz)
License: Apache-2.0
LeRobot codebase version: v2.1; robot type: not specified
Split: train (0:32); 32 episodes; 152,837 frame rows; 32 task labels; 32 Parquet shards
Nominal sampling rate from meta/info.json: 3.33 Hz
Source frame layout: data/chunk-{episode_chunk:03d}/episode_{episode_index:06d}.parquet

The task labels identify participant, recorded trial, and the Rest condition. Examples include Abdulrahman Khalfalla_Male_1_Rest, Abdulrahman Khalfalla_Male_2_Rest, Abdulrahman Khalfalla_Male_3_Rest, Abdulrahman Khalfalla_Male_4_Rest. The source card does not provide a paper, homepage, units for the sensor values, or a BibTeX citation.

Schema

Column	TsFile role	Type	Source / meaning
`Time`	TIME	INT64	`round(timestamp * 1000)` milliseconds; restarts at the first sample of each episode
`episode_index`	TAG	source INT64, stored as device/tag value	Original LeRobot episode index
`task_index`	TAG	source INT64, stored as device/tag value	Original LeRobot task index
`frame_index`	FIELD	INT64	Original frame number within the episode
`sample_index`	FIELD	INT64	Source `index`, renamed to avoid ambiguity
`observation_state_0`	FIELD	FLOAT	`sensor.brachioradialis`
`observation_state_1`	FIELD	FLOAT	`sensor.flexor_carpi_radialis`
`observation_state_2`	FIELD	FLOAT	`sensor.flexor_carpi_ulnaris`

observation.state[3] is flattened to scalar fields while preserving the source channel order. The source timestamp column is dropped after Time synthesis because it is redundant with Time / 1000 seconds. No rows, episodes, tasks, or sensor channels are dropped.

Storage profile

Time: TS_2DIFF + LZ4
FLOAT/DOUBLE: GORILLA + LZ4
INT32/INT64: TS_2DIFF + LZ4
BOOLEAN: RLE + LZ4 when present; this source has no BOOLEAN fields
episode_index and task_index: TsFile table-model TAG/device mechanism

The physical TsFile schema was inspected after writing. The resulting TsFile is 16.83% of the combined source Parquet size.

Videos

The source meta/info.json declares the generic LeRobot template videos/chunk-{episode_chunk:03d}/{video_key}/episode_{episode_index:06d}.mp4, but it also reports total_videos: 0. The pinned repository tree contains no videos/ directory and no video files. Therefore there is no original video location to mirror, and this TsFile dataset contains no videos.

Minimal read example

from tsfile import TsFileReader

reader = TsFileReader("data/anaselkhabbaz_sensor_dataset.tsfile")
with reader.query_table(
    "anaselkhabbaz_sensor_dataset",
    ["episode_index", "task_index", "frame_index", "observation_state_0"],
    batch_size=4096,
) as result:
    batch = result.read_arrow_batch()
    print(batch.to_pandas().head())
reader.close()

Please cite the original Hugging Face dataset and Anas elkhabbaz.

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