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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 3 new columns ({'Percent doing the activity on an average day', 'Activity', 'Average hours per day spent in primary activities(1)'}) and 4 missing columns ({'Unnamed: 11', 'Table A-6. Time spent in primary activities 1 and the percent of married mothers and fathers who did the activities on an average day by employment status and age of youngest own household child, average for the combined years 2007-11', 'Unnamed: 1', 'Unnamed: 6'}).
This happened while the csv dataset builder was generating data using
zip://csv/activitytime-2-1.csv::hf://datasets/YuuChe/AnTBench@b34ee263e12fdc0f15e8f16a27d19228234ddfbe/AnTBench.zip, ['hf://datasets/YuuChe/AnTBench@b34ee263e12fdc0f15e8f16a27d19228234ddfbe/AnTBench.zip']
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 1856, in _prepare_split_single
writer.write_table(table)
~~~~~~~~~~~~~~~~~~^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 811, 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 822, in _write_table
pa_table = table_cast(pa_table, self._schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2381, in table_cast
return cast_table_to_schema(table, schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2309, in cast_table_to_schema
raise CastError(
...<3 lines>...
)
datasets.table.CastError: Couldn't cast
Activity: string
Average hours per day spent in primary activities(1): string
Unnamed: 2: string
Unnamed: 3: string
Unnamed: 4: string
Unnamed: 5: string
Percent doing the activity on an average day: string
Unnamed: 7: string
Unnamed: 8: string
Unnamed: 9: string
Unnamed: 10: string
-- schema metadata --
pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 1748
to
{'Table A-6. Time spent in primary activities 1 and the percent of married mothers and fathers who did the activities on an average day by employment status and age of youngest own household child, average for the combined years 2007-11': Value('string'), 'Unnamed: 1': Value('string'), 'Unnamed: 2': Value('string'), 'Unnamed: 3': Value('string'), 'Unnamed: 4': Value('string'), 'Unnamed: 5': Value('string'), 'Unnamed: 6': Value('string'), 'Unnamed: 7': Value('string'), 'Unnamed: 8': Value('string'), 'Unnamed: 9': Value('string'), 'Unnamed: 10': Value('string'), 'Unnamed: 11': 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 1379, 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 956, 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 1702, 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 1858, 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 3 new columns ({'Percent doing the activity on an average day', 'Activity', 'Average hours per day spent in primary activities(1)'}) and 4 missing columns ({'Unnamed: 11', 'Table A-6. Time spent in primary activities 1 and the percent of married mothers and fathers who did the activities on an average day by employment status and age of youngest own household child, average for the combined years 2007-11', 'Unnamed: 1', 'Unnamed: 6'}).
This happened while the csv dataset builder was generating data using
zip://csv/activitytime-2-1.csv::hf://datasets/YuuChe/AnTBench@b34ee263e12fdc0f15e8f16a27d19228234ddfbe/AnTBench.zip, ['hf://datasets/YuuChe/AnTBench@b34ee263e12fdc0f15e8f16a27d19228234ddfbe/AnTBench.zip']
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.
Table A-6. Time spent in primary activities 1 and the percent of married mothers and fathers who did the activities on an average day by employment status and age of youngest own household child, average for the combined years 2007-11 string | Unnamed: 1 string | Unnamed: 2 string | Unnamed: 3 string | Unnamed: 4 string | Unnamed: 5 string | Unnamed: 6 string | Unnamed: 7 string | Unnamed: 8 string | Unnamed: 9 string | Unnamed: 10 string | Unnamed: 11 null |
|---|---|---|---|---|---|---|---|---|---|---|---|
Activity | Average hours per day spent in primary activities 1 | null | null | null | null | Percent doing the activity on an average day | null | null | null | null | null |
null | Married mothers | null | null | Married fathers 2 | null | Married mothers | null | null | Married fathers 2 | null | null |
null | Employed full time | Employed part time | Not employed | Employed full time | Not employed | Employed full time | Employed part time | Not employed | Employed full time | Not employed | null |
Own household children under 18 | null | null | null | null | null | null | null | null | null | null | null |
null | null | null | null | null | null | null | null | null | null | null | null |
Total, all activities | 24.00 | 24.00 | 24.00 | 24.00 | 24.00 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | null |
Personal care activities | 8.96 | 9.20 | 9.46 | 8.63 | 9.51 | 100.0 | 100.0 | 99.9 | 100.0 | 100.0 | null |
Sleeping | 9.14 | 8.46 | 8.83 | 8.04 | 8.96 | 99.9 | 100.0 | 99.9 | 99.9 | 99.4 | null |
Household activities | 1.94 | 2.64 | 3.47 | 1.21 | 2.34 | 87.9 | 93.5 | 95.8 | 66.0 | 79.4 | null |
Housework | 0.81 | 1.15 | 1.55 | 0.23 | 0.61 | 50.2 | 64.1 | 73.2 | 18.3 | 34.4 | null |
Food preparation and cleanup | 0.80 | 1.00 | 1.46 | 0.32 | 0.63 | 75.2 | 81.4 | 88.4 | 42.9 | 56.5 | null |
Lawn and garden care | 0.07 | 0.11 | 0.13 | 0.22 | 0.36 | 4.6 | 6.7 | 8.6 | 10.8 | 14.0 | null |
Purchasing goods and services | 0.54 | 0.63 | 0.71 | 0.35 | 0.50 | 51.5 | 57.0 | 53.6 | 38.5 | 42.4 | null |
Grocery shopping | 0.12 | 0.16 | 0.18 | 0.07 | 0.12 | 16.6 | 21.4 | 21.2 | 9.5 | 14.1 | null |
Consumer goods purchases, except grocery shopping | 0.33 | 0.37 | 0.39 | 0.23 | 0.27 | 38.2 | 41.2 | 38.1 | 30.3 | 29.8 | null |
Caring for and helping household members | 1.25 | 1.84 | 2.51 | 0.88 | 1.32 | 74.3 | 79.2 | 85.1 | 57.3 | 61.4 | null |
Caring for and helping household children | 1.24 | 1.80 | 2.49 | 0.86 | 1.26 | 73.3 | 78.3 | 84.6 | 55.9 | 59.6 | null |
Physical care | 0.55 | 0.72 | 1.00 | 0.28 | 0.40 | 54.7 | 61.9 | 70.9 | 34.1 | 37.4 | null |
Education-related activities | 0.10 | 0.17 | 0.25 | 0.06 | 0.13 | 12.5 | 17.5 | 19.6 | 6.9 | 11.1 | null |
Reading to/with children | 0.04 | 0.06 | 0.08 | 0.03 | 0.04 | 10.7 | 14.0 | 15.0 | 6.6 | 6.2 | null |
Playing/doing hobbies with children | 0.22 | 0.36 | 0.59 | 0.29 | 0.36 | 15.5 | 21.6 | 30.0 | 17.5 | 16.0 | null |
Working and work-related activities 3 | 5.34 | 2.84 | 0.09 | 6.10 | 0.53 | 70.3 | 57.1 | 4.2 | 74.6 | 18.0 | null |
Working 3 | 5.31 | 2.79 | 0.03 | 6.06 | 0.06 | 69.9 | 55.9 | 1.2 | 73.9 | 2.3 | null |
Leisure and sports | 2.92 | 3.41 | 4.18 | 3.64 | 6.18 | 92.2 | 95.6 | 95.9 | 94.1 | 97.2 | null |
Socializing and communicating | 0.59 | 0.76 | 0.85 | 0.55 | 0.91 | 38.0 | 44.9 | 44.1 | 34.2 | 41.0 | null |
Watching television | 1.55 | 1.66 | 2.23 | 2.06 | 3.72 | 72.5 | 74.7 | 79.1 | 77.8 | 85.1 | null |
Participating in sports, exercise, and recreation | 0.17 | 0.23 | 0.23 | 0.31 | 0.38 | 14.4 | 17.2 | 17.3 | 17.5 | 20.3 | null |
Travel | 1.33 | 1.36 | 1.15 | 1.42 | 1.16 | 94.8 | 93.3 | 82.8 | 94.2 | 80.3 | null |
Travel related to caring for and helping household children | 0.22 | 0.28 | 0.29 | 0.13 | 0.21 | 41.3 | 46.1 | 42.2 | 24.0 | 28.0 | null |
Other activities, not elsewhere classified | 1.72 | 2.08 | 2.43 | 1.77 | 2.46 | 98.1 | 98.4 | 98.6 | 98.3 | 97.8 | null |
null | null | null | null | null | null | null | null | null | null | null | null |
Own household children, youngest under 6 | null | null | null | null | null | null | null | null | null | null | null |
null | null | null | null | null | null | null | null | null | null | null | null |
Total, all activities | 24.00 | 24.00 | 24.00 | 24.00 | 24.00 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | null |
Personal care activities | 8.98 | 9.20 | 9.48 | 8.64 | 9.31 | 100.0 | 100.0 | 99.9 | 100.0 | 99.9 | null |
Sleeping | 8.20 | 8.49 | 8.92 | 8.09 | 8.88 | 100.0 | 100.0 | 99.9 | 100.0 | 99.9 | null |
Household activities | 1.80 | 2.28 | 3.31 | 1.13 | 2.05 | 87.4 | 92.3 | 96.4 | 64.3 | 76.6 | null |
Housework | 0.76 | 1.00 | 1.46 | 0.24 | 0.68 | 47.4 | 60.1 | 72.8 | 18.6 | 37.7 | null |
Food preparation and cleanup | 0.77 | 0.96 | 1.47 | 0.33 | 0.59 | 75.8 | 81.0 | 88.7 | 43.0 | 55.7 | null |
Lawn and garden care | 0.05 | 0.07 | 0.11 | 0.16 | 0.22 | 3.2 | 5.1 | 7.0 | 8.7 | 9.7 | null |
Purchasing goods and services | 0.51 | 0.59 | 0.66 | 0.37 | 0.55 | 50.8 | 56.5 | 50.7 | 39.6 | 47.0 | null |
Grocery shopping | 0.13 | 0.14 | 0.16 | 0.08 | 0.12 | 16.8 | 19.2 | 18.5 | 10.2 | 15.5 | null |
Consumer goods purchases, except grocery shopping | 0.30 | 0.34 | 0.38 | 0.23 | 0.28 | 36.5 | 42.8 | 36.5 | 30.8 | 33.2 | null |
Caring for and helping household members | 2.01 | 2.72 | 3.26 | 1.27 | 2.19 | 91.0 | 91.8 | 93.9 | 70.4 | 79.4 | null |
Caring for and helping household children | 1.99 | 2.68 | 3.25 | 1.25 | 2.11 | 90.8 | 91.6 | 93.8 | 69.5 | 78.9 | null |
Physical care | 1.05 | 1.26 | 1.46 | 0.46 | 0.76 | 83.0 | 86.0 | 87.8 | 51.6 | 58.3 | null |
Education-related activities | 0.08 | 0.11 | 0.20 | 0.05 | 0.11 | 10.2 | 12.8 | 17.1 | 5.5 | 9.5 | null |
Reading to/with children | 0.08 | 0.10 | 0.11 | 0.05 | 0.08 | 18.2 | 23.2 | 20.8 | 11.3 | 12.1 | null |
Playing/doing hobbies with children | 0.46 | 0.71 | 0.93 | 0.49 | 0.75 | 31.7 | 41.0 | 45.3 | 29.3 | 30.8 | null |
Working and work-related activities 3 | 5.11 | 2.69 | 0.06 | 6.05 | 0.61 | 68.4 | 55.5 | 3.1 | 74.3 | 21.0 | null |
Working 3 | 5.09 | 2.65 | 0.02 | 6.01 | (4) | 68.2 | 54.4 | 0.7 | 73.4 | 2.0 | null |
Leisure and sports | 2.65 | 3.27 | 3.87 | 3.48 | 5.76 | 89.8 | 94.4 | 95.5 | 93.7 | 96.9 | null |
Socializing and communicating | 0.61 | 0.80 | 0.85 | 0.60 | 1.11 | 36.8 | 44.7 | 43.0 | 34.7 | 41.3 | null |
Watching television | 1.37 | 1.57 | 2.11 | 1.94 | 3.22 | 71.0 | 74.2 | 78.1 | 76.5 | 85.4 | null |
Participating in sports, exercise, and recreation | 0.17 | 0.21 | 0.20 | 0.28 | 0.35 | 13.9 | 14.9 | 15.4 | 16.8 | 20.7 | null |
Travel | 1.31 | 1.23 | 1.07 | 1.36 | 1.13 | 94.6 | 90.4 | 81.6 | 94.3 | 81.6 | null |
Travel related to caring for and helping household children | 0.27 | 0.27 | 0.29 | 0.12 | 0.21 | 48.6 | 48.0 | 41.7 | 23.9 | 31.1 | null |
Other activities, not elsewhere classified | 1.63 | 2.02 | 2.28 | 1.72 | 2.41 | 98.2 | 98.0 | 98.4 | 98.3 | 97.3 | null |
null | null | null | null | null | null | null | null | null | null | null | null |
Own household children 6-17, none younger | null | null | null | null | null | null | null | null | null | null | null |
null | null | null | null | null | null | null | null | null | null | null | null |
Total, all activities | 24.00 | 24.00 | 24.00 | 24.00 | 24.00 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | null |
Personal care activities | 8.96 | 9.20 | 9.43 | 8.63 | 9.65 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | null |
Sleeping | 8.09 | 8.44 | 8.71 | 7.99 | 9.01 | 99.8 | 100.0 | 99.9 | 99.8 | 99.1 | null |
Household activities | 2.04 | 2.92 | 3.69 | 1.29 | 2.54 | 88.2 | 94.5 | 95.0 | 67.6 | 81.3 | null |
Housework | 0.84 | 1.28 | 1.68 | 0.22 | 0.56 | 52.3 | 67.3 | 73.7 | 18.0 | 32.1 | null |
Food preparation and cleanup | 0.81 | 1.04 | 1.46 | 0.31 | 0.66 | 74.7 | 81.7 | 87.9 | 42.9 | 57.1 | null |
Lawn and garden care | 0.08 | 0.13 | 0.16 | 0.26 | 0.45 | 5.7 | 7.9 | 10.7 | 12.7 | 16.8 | null |
Purchasing goods and services | 0.55 | 0.66 | 0.77 | 0.33 | 0.46 | 52.0 | 57.4 | 57.6 | 37.5 | 39.4 | null |
Grocery shopping | 0.12 | 0.17 | 0.21 | 0.06 | 0.12 | 16.5 | 23.1 | 25.1 | 8.8 | 13.1 | null |
Consumer goods purchases, except grocery shopping | 0.35 | 0.39 | 0.41 | 0.22 | 0.26 | 39.4 | 40.0 | 40.2 | 29.8 | 27.5 | null |
Caring for and helping household members | 0.70 | 1.13 | 1.48 | 0.52 | 0.73 | 62.3 | 69.0 | 73.0 | 45.3 | 49.3 | null |
Caring for and helping household children | 0.69 | 1.10 | 1.45 | 0.49 | 0.68 | 60.5 | 67.7 | 71.8 | 43.4 | 46.6 | null |
Physical care | 0.20 | 0.29 | 0.36 | 0.10 | 0.17 | 34.2 | 42.6 | 47.4 | 18.0 | 23.3 | null |
Education-related activities | 0.12 | 0.21 | 0.32 | 0.08 | 0.14 | 14.2 | 21.4 | 22.9 | 8.2 | 12.2 | null |
Reading to/with children | 0.02 | 0.03 | 0.04 | 0.01 | ~0 | 5.3 | 6.7 | 7.0 | 2.2 | 2.3 | null |
Playing/doing hobbies with children | 0.04 | 0.08 | 0.12 | 0.09 | 0.10 | 3.7 | 6.1 | 8.7 | 6.7 | 6.0 | null |
Working and work-related activities 3 | 5.50 | 2.97 | 0.13 | 6.15 | 0.47 | 71.7 | 58.4 | 5.7 | 74.9 | 16.0 | null |
Working 3 | 5.47 | 2.91 | 0.06 | 6.11 | 0.08 | 71.2 | 57.0 | 2.0 | 74.5 | 2.5 | null |
Leisure and sports | 3.11 | 3.53 | 4.60 | 3.78 | 6.47 | 93.9 | 96.6 | 96.3 | 94.3 | 97.4 | null |
Socializing and communicating | 0.58 | 0.73 | 0.85 | 0.51 | 0.78 | 38.8 | 45.0 | 45.7 | 33.8 | 40.8 | null |
Watching television | 1.68 | 1.73 | 2.39 | 2.18 | 4.05 | 73.5 | 75.0 | 80.4 | 79.0 | 84.9 | null |
Participating in sports, exercise, and recreation | 0.17 | 0.25 | 0.26 | 0.34 | 0.40 | 14.8 | 19.0 | 20.0 | 18.1 | 20.1 | null |
Travel | 1.35 | 1.47 | 1.26 | 1.48 | 1.19 | 94.9 | 95.7 | 84.6 | 94.2 | 79.4 | null |
Travel related to caring for and helping household children | 0.19 | 0.29 | 0.30 | 0.13 | 0.22 | 36.0 | 44.6 | 43.0 | 24.0 | 25.9 | null |
Other activities, not elsewhere classified | 1.78 | 2.12 | 2.64 | 1.82 | 2.49 | 98.1 | 98.7 | 98.9 | 98.3 | 98.2 | null |
null | null | null | null | null | null | null | null | null | null | null | null |
1 A primary activity refers to an individual's main activity. Other activities done simultaneously are not included. | null | null | null | null | null | null | null | null | null | null | null |
2 Estimates for part-time workers are not shown because it is uncommon for fathers of household children to work part time. | null | null | null | null | null | null | null | null | null | null | null |
3 Estimates include a small amount of work time done by persons who do not meet the ATUS definition of employed. | null | null | null | null | null | null | null | null | null | null | null |
4 Estimate is suppressed because it does not meet the American Time Use Survey standard for quality and reliability. | null | null | null | null | null | null | null | null | null | null | null |
~0 Estimate is approximately zero. | null | null | null | null | null | null | null | null | null | null | null |
Note: Data refer to persons 15 years and over. For technical information about the American Time Use Survey, see the ATUS User's Guide: www.bls.gov/tus/atususersguide.pdf | null | null | null | null | null | null | null | null | null | null | null |
Source: American Time Use Survey, Bureau of Labor Statistics | null | null | null | null | null | null | null | null | null | null | null |
Activity | Average hours per day spent in primary activities 1 | null | null | null | null | Percent doing the activity on an average day | null | null | null | null | null |
null | Married mothers | null | null | Married fathers 2 | null | Married mothers | null | null | Married fathers 2 | null | null |
null | Employed full time | Employed part time | Not employed | Employed full time | Not employed | Employed full time | Employed part time | Not employed | Employed full time | Not employed | null |
Own household children under 18 | null | null | null | null | null | null | null | null | null | null | null |
null | null | null | null | null | null | null | null | null | null | null | null |
Total, all activities | 24.00 | 24.00 | 24.00 | 24.00 | 24.00 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | null |
End of preview.
AnTBench
AnTBench accompanies Can LLMs Spot Data Anomalies That Make Table QA Impossible? It evaluates whether language models can detect anomalies in tables and recognize when those anomalies make a question unanswerable.
Citation
If you find AnTBench useful, please cite:
@inproceedings{wei2026can,
title={Can LLMs Spot Data Anomalies That Make Table QA Impossible?},
author={Wei, Yucheng and Yang, Shenzhi and Wang, Ning and Zhang, Jinchang and Yang, Yuhang and Wang, Haobo and Zha, Liangyu and Ye, Wentao and Li, Liyao and Peng, Cheng and Chen, Gang},
booktitle={Findings of the Association for Computational Linguistics: EMNLP 2026},
pages={21952--21987},
year={2026}
}
Contact
For questions about the benchmark, code, or data, contact weiyucheng@zju.edu.cn.
License
This project is released under the Apache-2.0 License.
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