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The dataset generation failed
Error code:   DatasetGenerationError
Exception:    ArrowInvalid
Message:      Failed to parse string: 'fan_out' as a scalar of type double
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 784, 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 795, 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 2312, in cast_table_to_schema
                  cast_array_to_feature(
                  ~~~~~~~~~~~~~~~~~~~~~^
                      table[name] if name in table_column_names else pa.array([None] * len(table), type=schema.field(name).type),
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                      feature,
                      ^^^^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 1861, in wrapper
                  return pa.chunked_array([func(chunk, *args, **kwargs) for chunk in array.chunks])
                                           ~~~~^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2152, in cast_array_to_feature
                  return array_cast(
                      array,
                  ...<2 lines>...
                      allow_decimal_to_str=allow_decimal_to_str,
                  )
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 1863, in wrapper
                  return func(array, *args, **kwargs)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2015, in array_cast
                  return array.cast(pa_type)
                         ~~~~~~~~~~^^^^^^^^^
                File "pyarrow/array.pxi", line 1186, in pyarrow.lib.Array.cast
                File "/usr/local/lib/python3.14/site-packages/pyarrow/compute.py", line 414, in cast
                  return call_function("cast", [arr], options, memory_pool)
                File "pyarrow/_compute.pyx", line 604, in pyarrow._compute.call_function
                File "pyarrow/_compute.pyx", line 399, in pyarrow._compute.Function.call
                  result = GetResultValue(
                File "pyarrow/error.pxi", line 155, in pyarrow.lib.pyarrow_internal_check_status
                  return check_status(status)
                File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
                  raise convert_status(status)
              pyarrow.lib.ArrowInvalid: Failed to parse string: 'fan_out' as a scalar of type double
              
              The above exception was the direct cause of the following exception:
              
              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 1879, in _prepare_split_single
                  raise DatasetGenerationError("An error occurred while generating the dataset") from e
              datasets.exceptions.DatasetGenerationError: An error occurred while generating the dataset

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transaction_id
string
amount
float64
timestamp
string
channel
string
is_laundering
int64
typology
null
case_id
null
src_account
string
dst_account
string
currency
string
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2025-02-01 00:00:00
payroll
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A0061220
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AUD
X000000001
2,626.82
2025-02-01 00:00:00
payroll
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A0038293
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AUD
X000000002
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2025-02-01 00:00:00
payroll
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AUD
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2025-02-01 00:00:00
payroll
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AUD
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2025-02-01 00:00:00
payroll
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A0014974
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AUD
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2025-02-01 00:00:00
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AUD
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2025-02-01 00:00:00
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2025-02-01 00:00:00
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2025-02-01 00:00:00
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2025-02-01 00:00:00
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2025-02-01 00:00:00
payroll
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2025-02-01 00:00:00
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2025-02-01 00:00:00
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2025-02-01 00:00:00
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2025-02-01 00:00:00
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AUD
X000000015
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2025-02-01 00:00:00
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2025-02-01 00:00:00
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2025-02-01 00:00:00
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2025-02-01 00:00:00
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2025-02-01 00:00:00
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2025-02-01 00:00:00
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2025-02-01 00:00:00
payroll
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2025-02-01 00:00:00
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payroll
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payroll
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payroll
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2025-02-01 00:00:00
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2025-02-01 00:00:00
payroll
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2025-02-01 00:00:00
payroll
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payroll
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AUD
End of preview.

QM Synthetic AML Transfer Network - Free Sample

Buy the full commercial edition: $30 USD - launch price until 24 Oct 2026 (regular price $49 USD) -> Polar checkout, instant download Also on Gumroad.
This free sample is non-commercial (CC BY-NC-SA 4.0). The paid full edition has a commercial licence.

Summary

Synthetic bank transfers with labelled money-laundering cases, for anti-money-laundering (AML) model development, graph ML and transaction-monitoring rule testing; the paid full edition can be used commercially.

  • Best for: AML model prototyping, GNN / graph-motif research, testing monitoring rules, training and demos without customer data
  • Not for: regulatory model validation or estimating real laundering prevalence

Quick start

from datasets import load_dataset
ds = load_dataset("quailrobot/aml-v1-sample", split="train")  # main table: transactions_sample.csv
# pandas alternative: pd.read_csv("hf://datasets/quailrobot/aml-v1-sample/transactions_sample.csv")

Facts

  • Task: tabular / graph binary classification (laundering detection) + typology evaluation
  • Labels: is_laundering (0/1); typology = fan_in_smurfing, fan_out, cycle, layering_chain, scatter_gather; case_id
  • Full edition size: 3,795,865 transfers, 100,000 accounts, 180 days, 200 laundering cases (zip 67 MB)
  • Free sample size: 461,111 transfers = first 20 days (transactions_sample.csv); roles and cases only for laundering seen in that window
  • Format: full: Parquet (transactions) + CSV (accounts, cases); sample: CSV
  • What's included (full edition): transactions.parquet, accounts.csv, cases.csv, stats.json, benchmark.json, bench_aml.py, README.md, LICENSE.txt
  • Price: $30 USD, launch price until 24 Oct 2026 (regular price $49 USD); checkout may display the equivalent in your local currency
  • Buy URL (primary): https://buy.polar.sh/polar_cl_HnkK7xRcMaBfwFmfVUYNijc7MXsqYg2A3viVi2I5BcY
  • Buy URL (secondary, also on Gumroad): https://quailcraft1.gumroad.com/l/synthetic-aml-transfer-network
  • Licence (full edition): LicenseRef-QuailModel-Commercial (commercial use allowed, no resale of the data)
  • Licence (free sample): CC-BY-NC-SA-4.0
  • Validation: Our own test on the full edition (time split, train first 70 % of days): class-balanced gradient boosting on 11 flat per-transaction features ROC-AUC 0.948, PR-AUC 0.377 (benchmark.json + script included). Graph-aware methods should do better.
  • Data source: 100% synthetic, generated by QuailModel with AI assistance (generator code written with an AI model)
  • Catalog (all QuailModel datasets, catalog.json, llms.txt): https://quailrobot-quailmodel.static.hf.space
  • Last updated: 2026-10-10

Validation

Our own test on the full edition (time split, train first 70 % of days): class-balanced gradient boosting on 11 flat per-transaction features ROC-AUC 0.948, PR-AUC 0.377 (benchmark.json + script included). Graph-aware methods should do better.

Price & licence

Limitations

  • 100% synthetic: not validated against real bank data - check on your own data before production.
  • Typologies are simulated patterns; real laundering is more varied.

Custom dataset of YOUR object ($249)

Need data of YOUR object? Custom synthetic dataset, $249 USD -> order on Polar

  • Note: this is an image / object-detection service (not tabular data).
  • What you get: 2,000 labelled photoreal synthetic images (640x640 JPEG) of your own object or scenario (product, part, tool, drone, package, defect...), up to 3 classes, YOLO bounding boxes + data.yaml, train/val/test split, quality report
  • Licence: commercial use allowed
  • Price: $249 USD one-time; one round of adjustments included
  • Delivery: typically 3-5 business days after we receive your reference photos + rough dimensions
  • Optional sim-to-real test: send ~200 of your own labelled real images and we report how much the synthetic data improves a detector on them
  • Refund: full refund if we cannot deliver your request (14-day refund policy)
  • Limits: only objects you own or are allowed to use; no weapons or anything meant to harm people; no copied third-party 3D assets
  • Order URL: https://buy.polar.sh/polar_cl_AQu6LzRtqiQmKPlgPt0zePBtvWjJI4vULeFMQ4NLHH9
  • Details + contact: https://quailrobot-quailmodel.static.hf.space

This free sample: 461,111 transfers = first 20 days (transactions_sample.csv); roles and cases only for laundering seen in that window. Full commercial edition: 3,795,865 transfers, 100,000 accounts, 180 days, 200 laundering cases (zip 67 MB). Fully synthetic data; summary, facts, validation and limitations are in the block above.

Files

file content
transactions transaction_id, amount, timestamp, channel, is_laundering, typology, case_id, src_account, dst_account, currency
accounts.csv account_id, type, bank, country, opened_days_ago, laundering_role
cases.csv case_id, typology, n_tx
benchmark.json, bench_aml.py reproducible baseline (full edition)

How it was made

Produced by QuailModel's own simulator, including legitimate activity alongside the labelled patterns. Labels are exact, because they are known by construction.

Credits

No third-party data was used.

Licence

Sample edition: CC BY-NC-SA 4.0 (non-commercial). The full commercial edition is sold by QuailModel (see the buy link).

Disclosure

Generated by QuailModel with AI assistance (generator code written with an AI model); all data is synthetic / computer-generated. Validate on your own real data before production use.

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