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alphuuuu02
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Data-Visualization-BMW-Sales-Data-2010-2024-Project

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The dataset generation failed because of a cast error
Error code:   DatasetGenerationCastError
Exception:    DatasetGenerationCastError
Message:      An error occurred while generating the dataset

All the data files must have the same columns, but at some point there are 11 new columns ({'Year', 'Sales_Volume', 'Mileage_KM', 'Engine_Size_L', 'Fuel_Type', 'Model', 'Transmission', 'Sales_Classification', 'Color', 'Region', 'Price_USD'}) and 7 missing columns ({'Sample Question Papers Practiced', 'Unnamed: 0', 'Hours Studied', 'Sleep Hours', 'Extracurricular Activities', 'Performance Index', 'Previous Scores'}).

This happened while the csv dataset builder was generating data using

hf://datasets/alphuuuu02/Data-Visualization-BMW-Sales-Data-2010-2024-Project/BMW sales data (2010-2024).csv (at revision 0b0ad38dae779ce244076808eb29651ffb2a232e), ['hf://datasets/alphuuuu02/Data-Visualization-BMW-Sales-Data-2010-2024-Project@0b0ad38dae779ce244076808eb29651ffb2a232e/BMW sales data (2010-2024) - Encoded.csv', 'hf://datasets/alphuuuu02/Data-Visualization-BMW-Sales-Data-2010-2024-Project@0b0ad38dae779ce244076808eb29651ffb2a232e/BMW sales data (2010-2024).csv']

Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1837, in _prepare_split_single
                  writer.write_table(table)
                  ~~~~~~~~~~~~~~~~~~^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 765, in write_table
                  self._write_table(pa_table, writer_batch_size=writer_batch_size)
                  ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 773, in _write_table
                  pa_table = table_cast(pa_table, self._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
              Model: string
              Year: int64
              Region: string
              Color: string
              Fuel_Type: string
              Transmission: string
              Engine_Size_L: double
              Mileage_KM: int64
              Price_USD: int64
              Sales_Volume: int64
              Sales_Classification: string
              -- schema metadata --
              pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 1580
              to
              {'Unnamed: 0': Value('int64'), 'Hours Studied': Value('int64'), 'Previous Scores': Value('int64'), 'Extracurricular Activities': Value('int64'), 'Sleep Hours': Value('int64'), 'Sample Question Papers Practiced': Value('int64'), 'Performance Index': Value('float64')}
              because column names don't match
              
              During handling of the above exception, another exception occurred:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1369, in compute_config_parquet_and_info_response
                  parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
                                                                        ~~~~~~~~~~~~~~~~~~~~~~~~~^
                      builder, max_dataset_size_bytes=max_dataset_size_bytes
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 948, in stream_convert_to_parquet
                  builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
                  ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1683, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~^
                      gen_kwargs=gen_kwargs, job_id=job_id, **_prepare_split_args
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  ):
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1839, in _prepare_split_single
                  raise DatasetGenerationCastError.from_cast_error(
                  ...<4 lines>...
                  )
              datasets.exceptions.DatasetGenerationCastError: An error occurred while generating the dataset
              
              All the data files must have the same columns, but at some point there are 11 new columns ({'Year', 'Sales_Volume', 'Mileage_KM', 'Engine_Size_L', 'Fuel_Type', 'Model', 'Transmission', 'Sales_Classification', 'Color', 'Region', 'Price_USD'}) and 7 missing columns ({'Sample Question Papers Practiced', 'Unnamed: 0', 'Hours Studied', 'Sleep Hours', 'Extracurricular Activities', 'Performance Index', 'Previous Scores'}).
              
              This happened while the csv dataset builder was generating data using
              
              hf://datasets/alphuuuu02/Data-Visualization-BMW-Sales-Data-2010-2024-Project/BMW sales data (2010-2024).csv (at revision 0b0ad38dae779ce244076808eb29651ffb2a232e), ['hf://datasets/alphuuuu02/Data-Visualization-BMW-Sales-Data-2010-2024-Project@0b0ad38dae779ce244076808eb29651ffb2a232e/BMW sales data (2010-2024) - Encoded.csv', 'hf://datasets/alphuuuu02/Data-Visualization-BMW-Sales-Data-2010-2024-Project@0b0ad38dae779ce244076808eb29651ffb2a232e/BMW sales data (2010-2024).csv']
              
              Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)

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.

Unnamed: 0
int64
Hours Studied
int64
Previous Scores
int64
Extracurricular Activities
int64
Sleep Hours
int64
Sample Question Papers Practiced
int64
Performance Index
float64
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