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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 1 new columns ({'OBJECTIVE'}) and 1 missing columns ({'The'}).

This happened while the csv dataset builder was generating data using

hf://datasets/Idrissa242/BC4CDR_BC5CHEMD_BIORED_COMBINATION/combined_chem_dev.tsv (at revision 383a1439ea67dcb7388dbf9bd9cd1d2555f13156)

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 "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1831, in _prepare_split_single
                  writer.write_table(table)
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/arrow_writer.py", line 644, in write_table
                  pa_table = table_cast(pa_table, self._schema)
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/table.py", line 2272, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/table.py", line 2218, in cast_table_to_schema
                  raise CastError(
              datasets.table.CastError: Couldn't cast
              OBJECTIVE: string
              O: string
              -- schema metadata --
              pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 483
              to
              {'The': Value('string'), 'O': Value('string')}
              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 1456, in compute_config_parquet_and_info_response
                  parquet_operations = convert_to_parquet(builder)
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1055, in convert_to_parquet
                  builder.download_and_prepare(
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 894, in download_and_prepare
                  self._download_and_prepare(
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 970, in _download_and_prepare
                  self._prepare_split(split_generator, **prepare_split_kwargs)
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1702, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1833, in _prepare_split_single
                  raise DatasetGenerationCastError.from_cast_error(
              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 1 new columns ({'OBJECTIVE'}) and 1 missing columns ({'The'}).
              
              This happened while the csv dataset builder was generating data using
              
              hf://datasets/Idrissa242/BC4CDR_BC5CHEMD_BIORED_COMBINATION/combined_chem_dev.tsv (at revision 383a1439ea67dcb7388dbf9bd9cd1d2555f13156)
              
              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)

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The
string
O
string
transcription
O
factor
O
hepatocyte
O
nuclear
O
factor
O
(
O
HNF
O
)
O
-
O
6
O
is
O
an
O
upstream
O
regulator
O
of
O
several
O
genes
O
involved
O
in
O
the
O
pathogenesis
O
of
O
maturity
O
-
O
onset
O
diabetes
O
of
O
the
O
young
O
.
O
We
O
therefore
O
tested
O
the
O
hypothesis
O
that
O
variability
O
in
O
the
O
HNF
O
-
O
6
O
gene
O
is
O
associated
O
with
O
subsets
O
of
O
Type
O
II
O
(
O
non
O
-
O
insulin
O
-
O
dependent
O
)
O
diabetes
O
mellitus
O
and
O
estimates
O
of
O
insulin
O
secretion
O
in
O
glucose
B
tolerant
O
subjects
O
.
O
We
O
cloned
O
the
O
coding
O
region
O
as
O
well
O
as
O
the
O
intron
O
-
O
exon
O
boundaries
O
of
O
the
O
HNF
O
-
O
6
O
gene
O
.
O
We
O
then
O
examined
O
them
O
on
O
genomic
O
DNA
O
in
O
six
O
MODY
O
probands
O
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