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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 51 new columns ({'program_url', 'avg_ita_cost_per_wioa_participant_usd', 'cip_code', 'length_weeks', 'lon', 'all_completed_pct', 'all_employed_q2_pct', 'wioa_exiters', 'length_hours', 'program_description', 'city', 'provider_type', 'prerequisites_flag', 'wioa_completed', 'provider', 'address', 'wioa_employed_q4_n', 'state', 'non_wioa_tuition_fees_usd', 'all_students_exited', 'credential', 'cip4', 'wioa_completed_pct', 'lat', 'wioa_credential_pct', 'wioa_served_with_ita', 'wioa_employed_q2_n', 'wioa_employed_q2_pct', 'soc_onet_2', 'all_students_served', 'all_employed_q2_n', 'all_students_credential', 'reporting_state', 'wioa_served', 'wioa_credential', 'non_wioa_books_supplies_usd', 'wioa_flag', 'all_employed_q4_n', 'format', 'program_uuid', 'provider_ref', 'index_id', 'ita_cost_numerator_usd', 'program', 'wioa_exited_with_ita', 'all_students_completed', 'zip', 'soc_onet_3', 'wioa_employed_q4_pct', 'all_median_earnings_q2_usd', 'soc_onet_1'}) and 3 missing columns ({'definition_or_note', 'column', 'source_field'}).
This happened while the csv dataset builder was generating data using
hf://datasets/retrainmap/us-training-provider-outcomes-sample/tpr_outcomes_sample_500.csv (at revision ac0a54d6a9e0867ec2694ad5ce7b40c915df0d3d), ['hf://datasets/retrainmap/us-training-provider-outcomes-sample@ac0a54d6a9e0867ec2694ad5ce7b40c915df0d3d/data_dictionary.csv', 'hf://datasets/retrainmap/us-training-provider-outcomes-sample@ac0a54d6a9e0867ec2694ad5ce7b40c915df0d3d/tpr_outcomes_sample_500.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 1848, 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 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
index_id: int64
program_uuid: string
provider_ref: string
state: string
reporting_state: string
provider: string
provider_type: string
address: string
city: string
zip: int64
lat: double
lon: double
program: string
program_description: string
program_url: string
credential: string
cip_code: double
cip4: double
soc_onet_1: string
soc_onet_2: string
soc_onet_3: string
format: string
prerequisites_flag: int64
length_weeks: double
length_hours: double
wioa_flag: int64
all_students_served: double
all_students_exited: double
all_students_completed: double
all_completed_pct: double
all_students_credential: double
all_employed_q2_pct: double
all_median_earnings_q2_usd: double
all_employed_q2_n: double
all_employed_q4_n: double
wioa_served: double
wioa_served_with_ita: double
wioa_exiters: double
wioa_exited_with_ita: double
wioa_completed: double
wioa_completed_pct: double
wioa_credential: double
wioa_credential_pct: double
wioa_employed_q2_n: double
wioa_employed_q2_pct: double
wioa_employed_q4_n: double
wioa_employed_q4_pct: double
avg_ita_cost_per_wioa_participant_usd: double
ita_cost_numerator_usd: double
non_wioa_tuition_fees_usd: double
non_wioa_books_supplies_usd: double
-- schema metadata --
pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 6866
to
{'column': Value('string'), 'source_field': Value('string'), 'definition_or_note': 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 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 1694, 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 1850, 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 51 new columns ({'program_url', 'avg_ita_cost_per_wioa_participant_usd', 'cip_code', 'length_weeks', 'lon', 'all_completed_pct', 'all_employed_q2_pct', 'wioa_exiters', 'length_hours', 'program_description', 'city', 'provider_type', 'prerequisites_flag', 'wioa_completed', 'provider', 'address', 'wioa_employed_q4_n', 'state', 'non_wioa_tuition_fees_usd', 'all_students_exited', 'credential', 'cip4', 'wioa_completed_pct', 'lat', 'wioa_credential_pct', 'wioa_served_with_ita', 'wioa_employed_q2_n', 'wioa_employed_q2_pct', 'soc_onet_2', 'all_students_served', 'all_employed_q2_n', 'all_students_credential', 'reporting_state', 'wioa_served', 'wioa_credential', 'non_wioa_books_supplies_usd', 'wioa_flag', 'all_employed_q4_n', 'format', 'program_uuid', 'provider_ref', 'index_id', 'ita_cost_numerator_usd', 'program', 'wioa_exited_with_ita', 'all_students_completed', 'zip', 'soc_onet_3', 'wioa_employed_q4_pct', 'all_median_earnings_q2_usd', 'soc_onet_1'}) and 3 missing columns ({'definition_or_note', 'column', 'source_field'}).
This happened while the csv dataset builder was generating data using
hf://datasets/retrainmap/us-training-provider-outcomes-sample/tpr_outcomes_sample_500.csv (at revision ac0a54d6a9e0867ec2694ad5ce7b40c915df0d3d), ['hf://datasets/retrainmap/us-training-provider-outcomes-sample@ac0a54d6a9e0867ec2694ad5ce7b40c915df0d3d/data_dictionary.csv', 'hf://datasets/retrainmap/us-training-provider-outcomes-sample@ac0a54d6a9e0867ec2694ad5ce7b40c915df0d3d/tpr_outcomes_sample_500.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.
column string | source_field string | definition_or_note null |
|---|---|---|
index_id | nid | null |
program_uuid | field_uuid | null |
provider_ref | field_provider_ref | null |
state | field_state | null |
reporting_state | field_reportingstate | null |
provider | field_etp | null |
provider_type | field_entity_type | null |
address | field_address | null |
city | field_city | null |
zip | field_zip | null |
lat | field_lat | null |
lon | field_lon | null |
program | field_program_name | null |
program_description | field_program_description | null |
program_url | field_program_url | null |
credential | field_associated_credential | null |
cip_code | field_cip_code | null |
cip4 | field_cip_formatted_4 | null |
soc_onet_1 | field_program_soc_occ_1_onet | null |
soc_onet_2 | field_program_soc_occ_2_onet | null |
soc_onet_3 | field_program_soc_occ_3_onet | null |
format | field_program_format | null |
prerequisites_flag | field_program_prerequisites | null |
length_weeks | field_program_length_weeks | null |
length_hours | field_program_length_hours | null |
wioa_flag | field_wioa | null |
all_students_served | field_c_total_served | null |
all_students_exited | field_c_total_exited | null |
all_students_completed | field_c_total_completed | null |
all_completed_pct | field_c_completed_percent | null |
all_students_credential | field_c_total_credential | null |
all_employed_q2_pct | field_c_q2_employment_percent | null |
all_median_earnings_q2_usd | field_c_median_earnings | null |
all_employed_q2_n | field_total_employed_q2 | null |
all_employed_q4_n | field_total_employed_q4 | null |
wioa_served | field_total_wioa_served | null |
wioa_served_with_ita | field_total_wioa_served_with_ita | null |
wioa_exiters | field_total_wioa_exiters | null |
wioa_exited_with_ita | field_total_wioa_exited_with_ita | null |
wioa_completed | field_total_wioa_completed | null |
wioa_completed_pct | field_c_wioa_completed_percent | null |
wioa_credential | field_total_wioa_credential | null |
wioa_credential_pct | field_c_wioa_earned_cred_percent | null |
wioa_employed_q2_n | field_total_wioa_exi_emp_q2 | null |
wioa_employed_q2_pct | field_c_total_emp_wioa_q2_perc | null |
wioa_employed_q4_n | field_total_wioa_exi_emp_q4 | null |
wioa_employed_q4_pct | field_c_total_emp_wioa_q4_perc | null |
avg_ita_cost_per_wioa_participant_usd | field_c_cost_per_wioa | null |
ita_cost_numerator_usd | field_cost_per_wioa_num | null |
non_wioa_tuition_fees_usd | field_non_wioa_tuition_cost | null |
non_wioa_books_supplies_usd | field_non_wioa_supplies_cost | null |
null | null | null |
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End of preview.
US Training Provider Outcomes (WIOA) sample
A 500-row sample of the RetrainMap US Training Provider Outcomes dataset: 70,088 programs from the U.S. Department of Labor WIOA Eligible Training Provider results (ETA-9171), cleaned into 51 descriptive columns (index_id, program_uuid, provider_ref, state, reporting_state, provider, provider_type, address, city, zip and more) covering provider, program, credential, CIP and O*NET codes, cost, students served/exited/completed, completion rate, employment 2 and 4 quarters after exit and median quarterly earnings. Suppressed cells are preserved as suppressed rather than silently zeroed. The sample spreads across all 55 reporting states and territories in the file. Full file, 2026-09-02 snapshot: https://retrainmap.gumroad.com/l/tpr-dataset . All three datasets side by side: https://retrainmap.com/data/ . Free training-cost pages: https://retrainmap.com/costs/ . Datarade storefront: https://retrainmap.mydatastorefront.com . Published by RetrainMap (Steelyard Ventures LLC), info@steelyardclinical.com. Public government filings; no personal data.
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