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Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code:   StreamingRowsError
Exception:    CastError
Message:      Couldn't cast
ic_ph50: struct<lift: struct<sim_gt_sr_Ta=1: struct<model_epoch10_successrate0.1000_n50_tmax500_tmin53_tavg45 (... 4394 chars omitted)
  child 0, lift: struct<sim_gt_sr_Ta=1: struct<model_epoch10_successrate0.1000_n50_tmax500_tmin53_tavg455.96: double, (... 1369 chars omitted)
      child 0, sim_gt_sr_Ta=1: struct<model_epoch10_successrate0.1000_n50_tmax500_tmin53_tavg455.96: double, model_epoch12_successr (... 613 chars omitted)
          child 0, model_epoch10_successrate0.1000_n50_tmax500_tmin53_tavg455.96: double
          child 1, model_epoch12_successrate0.3600_n50_tmax500_tmin43_tavg339.46: double
          child 2, model_epoch15_successrate0.2800_n50_tmax500_tmin39_tavg373.32: double
          child 3, model_epoch15_successrate0.4800_n50_tmax500_tmin43_tavg284.72: double
          child 4, model_epoch18_successrate0.6200_n50_tmax500_tmin38_tavg221.10: double
          child 5, model_epoch23_successrate0.7600_n50_tmax500_tmin39_tavg157.34: double
          child 6, model_epoch30_successrate0.9000_n50_tmax500_tmin37_tavg92.50: double
          child 7, model_epoch500_successrate1.0000_n50_tmax500_tmin33_tavg44.12: double
          child 8, model_epoch6_successrate0.0000_n50_tmax500_tminNA_tavg500.00: double
          child 9, model_epoch8_successrate0.1800_n50_tmax500_tmin59_tavg426.14: double
      child 1, sim_gt_sr_Ta=12: struct<model_epoch10_successrate0.1000_n50_tmax500_tmin53_tavg455.96: double, model_epoch12_successr (... 613 chars omitted)
          child 0, mod
...
 double>, can (... 451 chars omitted)
  child 0, lift_mh: struct<pearson: double, rho: double, tau: double, mmrv: double, regret: double>
      child 0, pearson: double
      child 1, rho: double
      child 2, tau: double
      child 3, mmrv: double
      child 4, regret: double
  child 1, can_mh: struct<pearson: double, rho: double, tau: double, mmrv: double, regret: double>
      child 0, pearson: double
      child 1, rho: double
      child 2, tau: double
      child 3, mmrv: double
      child 4, regret: double
  child 2, square_mh: struct<pearson: double, rho: double, tau: double, mmrv: double, regret: double>
      child 0, pearson: double
      child 1, rho: double
      child 2, tau: double
      child 3, mmrv: double
      child 4, regret: double
  child 3, lift_mhf: struct<pearson: double, rho: double, tau: double, mmrv: double, regret: double>
      child 0, pearson: double
      child 1, rho: double
      child 2, tau: double
      child 3, mmrv: double
      child 4, regret: double
  child 4, can_mhf: struct<pearson: double, rho: double, tau: double, mmrv: double, regret: double>
      child 0, pearson: double
      child 1, rho: double
      child 2, tau: double
      child 3, mmrv: double
      child 4, regret: double
  child 5, square_mhf: struct<pearson: double, rho: double, tau: double, mmrv: double, regret: double>
      child 0, pearson: double
      child 1, rho: double
      child 2, tau: double
      child 3, mmrv: double
      child 4, regret: double
to
{'multitask': {'lift_mh': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'can_mh': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'square_mh': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'lift_mhf': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'can_mhf': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'square_mhf': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}}, 'individual': {'lift_mh': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'can_mh': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'square_mh': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'lift_mhf': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'can_mhf': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'square_mhf': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}}}
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 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 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 2378, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
                  raise CastError(
                  ...<3 lines>...
                  )
              datasets.table.CastError: Couldn't cast
              ic_ph50: struct<lift: struct<sim_gt_sr_Ta=1: struct<model_epoch10_successrate0.1000_n50_tmax500_tmin53_tavg45 (... 4394 chars omitted)
                child 0, lift: struct<sim_gt_sr_Ta=1: struct<model_epoch10_successrate0.1000_n50_tmax500_tmin53_tavg455.96: double, (... 1369 chars omitted)
                    child 0, sim_gt_sr_Ta=1: struct<model_epoch10_successrate0.1000_n50_tmax500_tmin53_tavg455.96: double, model_epoch12_successr (... 613 chars omitted)
                        child 0, model_epoch10_successrate0.1000_n50_tmax500_tmin53_tavg455.96: double
                        child 1, model_epoch12_successrate0.3600_n50_tmax500_tmin43_tavg339.46: double
                        child 2, model_epoch15_successrate0.2800_n50_tmax500_tmin39_tavg373.32: double
                        child 3, model_epoch15_successrate0.4800_n50_tmax500_tmin43_tavg284.72: double
                        child 4, model_epoch18_successrate0.6200_n50_tmax500_tmin38_tavg221.10: double
                        child 5, model_epoch23_successrate0.7600_n50_tmax500_tmin39_tavg157.34: double
                        child 6, model_epoch30_successrate0.9000_n50_tmax500_tmin37_tavg92.50: double
                        child 7, model_epoch500_successrate1.0000_n50_tmax500_tmin33_tavg44.12: double
                        child 8, model_epoch6_successrate0.0000_n50_tmax500_tminNA_tavg500.00: double
                        child 9, model_epoch8_successrate0.1800_n50_tmax500_tmin59_tavg426.14: double
                    child 1, sim_gt_sr_Ta=12: struct<model_epoch10_successrate0.1000_n50_tmax500_tmin53_tavg455.96: double, model_epoch12_successr (... 613 chars omitted)
                        child 0, mod
              ...
               double>, can (... 451 chars omitted)
                child 0, lift_mh: struct<pearson: double, rho: double, tau: double, mmrv: double, regret: double>
                    child 0, pearson: double
                    child 1, rho: double
                    child 2, tau: double
                    child 3, mmrv: double
                    child 4, regret: double
                child 1, can_mh: struct<pearson: double, rho: double, tau: double, mmrv: double, regret: double>
                    child 0, pearson: double
                    child 1, rho: double
                    child 2, tau: double
                    child 3, mmrv: double
                    child 4, regret: double
                child 2, square_mh: struct<pearson: double, rho: double, tau: double, mmrv: double, regret: double>
                    child 0, pearson: double
                    child 1, rho: double
                    child 2, tau: double
                    child 3, mmrv: double
                    child 4, regret: double
                child 3, lift_mhf: struct<pearson: double, rho: double, tau: double, mmrv: double, regret: double>
                    child 0, pearson: double
                    child 1, rho: double
                    child 2, tau: double
                    child 3, mmrv: double
                    child 4, regret: double
                child 4, can_mhf: struct<pearson: double, rho: double, tau: double, mmrv: double, regret: double>
                    child 0, pearson: double
                    child 1, rho: double
                    child 2, tau: double
                    child 3, mmrv: double
                    child 4, regret: double
                child 5, square_mhf: struct<pearson: double, rho: double, tau: double, mmrv: double, regret: double>
                    child 0, pearson: double
                    child 1, rho: double
                    child 2, tau: double
                    child 3, mmrv: double
                    child 4, regret: double
              to
              {'multitask': {'lift_mh': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'can_mh': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'square_mh': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'lift_mhf': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'can_mhf': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'square_mhf': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}}, 'individual': {'lift_mh': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'can_mh': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'square_mh': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'lift_mhf': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'can_mhf': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}, 'square_mhf': {'pearson': Value('float64'), 'rho': Value('float64'), 'tau': Value('float64'), 'mmrv': Value('float64'), 'regret': Value('float64')}}}
              because column names don't match

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Robomimic mhf dense datasets

Mixed-human/filtered (mhf) dense-reward Robomimic datasets used by infOPE / VGPS experiments.

Datasets

Path Successful / total trajectories
lift/mhf_densev1 202 / 300
lift/mhf_densev1_ntrajs=1020 775 / 1020
can/mhf_densev1 210 / 300
square/mhf_densev1 48 / 300
square/mhf2_densev1 207 / 300

Layout

lift/
  mhf_densev1/dataset.hdf5
  mhf_densev1_ntrajs=1020/dataset.hdf5
can/
  mhf_densev1/dataset.hdf5
square/
  mhf_densev1/dataset.hdf5
  mhf2_densev1/dataset.hdf5

Download

# full repo
hf download infope/robomimic --repo-type dataset --local-dir ./robomimic

# one variant
hf download infope/robomimic lift/mhf_densev1/dataset.hdf5 --repo-type dataset
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