Dataset Viewer
Duplicate
The dataset viewer is not available for this split.
Cannot extract the features (columns) for the split 'train' of the config 'default' of the dataset.
Error code:   FeaturesError
Exception:    ArrowInvalid
Message:      Schema at index 1 was different: 
Name: string
BIDSVersion: string
DatasetType: string
License: string
Authors: list<item: string>
Acknowledgements: string
HowToAcknowledge: string
Funding: list<item: string>
ReferencesAndLinks: list<item: null>
DatasetDOI: string
vs
Modality: string
MagneticFieldStrength: int64
ImagingFrequency: double
Manufacturer: string
ManufacturersModelName: string
BodyPart: string
PatientPosition: string
SoftwareVersions: string
MRAcquisitionType: string
SeriesDescription: string
ProtocolName: string
ScanningSequence: string
SequenceVariant: string
ScanOptions: string
SequenceName: string
ImageType: list<item: string>
NonlinearGradientCorrection: bool
SeriesNumber: int64
AcquisitionTime: string
AcquisitionNumber: int64
SliceThickness: int64
SAR: double
TablePosition: list<item: int64>
EchoTime: double
RepetitionTime: double
SpoilingState: bool
InversionTime: double
FlipAngle: int64
PartialFourier: int64
BaseResolution: int64
ShimSetting: list<item: int64>
TxRefAmp: double
PhaseResolution: int64
ReceiveCoilName: string
ReceiveCoilActiveElements: string
PulseSequenceDetails: string
RefLinesPE: int64
CoilCombinationMethod: string
ConsistencyInfo: string
MatrixCoilMode: string
PercentPhaseFOV: int64
PercentSampling: int64
PhaseEncodingSteps: int64
AcquisitionMatrixPE: int64
ReconMatrixPE: int64
ParallelReductionFactorInPlane: int64
PixelBandwidth: int64
ImageOrientationPatientDICOM: list<item: double>
InPlanePhaseEncodingDirectionDICOM: string
BidsGuess: list<item: string>
ConversionSoftware: string
ConversionSoftwareVersion: string
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/split/first_rows.py", line 243, in compute_first_rows_from_streaming_response
                  iterable_dataset = iterable_dataset._resolve_features()
                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 3608, in _resolve_features
                  features = _infer_features_from_batch(self.with_format(None)._head())
                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2368, in _head
                  return next(iter(self.iter(batch_size=n)))
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2573, in iter
                  for key, example in iterator:
                                      ^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2060, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2082, in _iter_arrow
                  yield from self.ex_iterable._iter_arrow()
                File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 572, in _iter_arrow
                  yield new_key, pa.Table.from_batches(chunks_buffer)
                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "pyarrow/table.pxi", line 5039, in pyarrow.lib.Table.from_batches
                File "pyarrow/error.pxi", line 155, in pyarrow.lib.pyarrow_internal_check_status
                File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
              pyarrow.lib.ArrowInvalid: Schema at index 1 was different: 
              Name: string
              BIDSVersion: string
              DatasetType: string
              License: string
              Authors: list<item: string>
              Acknowledgements: string
              HowToAcknowledge: string
              Funding: list<item: string>
              ReferencesAndLinks: list<item: null>
              DatasetDOI: string
              vs
              Modality: string
              MagneticFieldStrength: int64
              ImagingFrequency: double
              Manufacturer: string
              ManufacturersModelName: string
              BodyPart: string
              PatientPosition: string
              SoftwareVersions: string
              MRAcquisitionType: string
              SeriesDescription: string
              ProtocolName: string
              ScanningSequence: string
              SequenceVariant: string
              ScanOptions: string
              SequenceName: string
              ImageType: list<item: string>
              NonlinearGradientCorrection: bool
              SeriesNumber: int64
              AcquisitionTime: string
              AcquisitionNumber: int64
              SliceThickness: int64
              SAR: double
              TablePosition: list<item: int64>
              EchoTime: double
              RepetitionTime: double
              SpoilingState: bool
              InversionTime: double
              FlipAngle: int64
              PartialFourier: int64
              BaseResolution: int64
              ShimSetting: list<item: int64>
              TxRefAmp: double
              PhaseResolution: int64
              ReceiveCoilName: string
              ReceiveCoilActiveElements: string
              PulseSequenceDetails: string
              RefLinesPE: int64
              CoilCombinationMethod: string
              ConsistencyInfo: string
              MatrixCoilMode: string
              PercentPhaseFOV: int64
              PercentSampling: int64
              PhaseEncodingSteps: int64
              AcquisitionMatrixPE: int64
              ReconMatrixPE: int64
              ParallelReductionFactorInPlane: int64
              PixelBandwidth: int64
              ImageOrientationPatientDICOM: list<item: double>
              InPlanePhaseEncodingDirectionDICOM: string
              BidsGuess: list<item: string>
              ConversionSoftware: string
              ConversionSoftwareVersion: string

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.

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