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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 8 new columns ({'any_station_red', 'n_amber', 'hour_end_hkt', 'any_station_black', 'n_red', 'label_basis', 'any_station_amber', 'n_black'}) and 5 missing columns ({'station_name', 'easting', 'source', 'northing', 'station_id'}).
This happened while the csv dataset builder was generating data using
hf://datasets/NotASI/COMP3522-HKO/cowin/cowin_labels_rainstorm_hourly.csv (at revision bfaed2255c96c0bdb8d410bf7363f5eb330b1211), ['hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/cedd/cedd_stations.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/cowin/cowin_labels_rainstorm_hourly.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/hko_daily_rainfall.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/hko_daily_temp.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/hko_daily_temp_wide.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/hko_daily_weather.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/hko_fnd_archive.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/hko_rainstorm_warning_history.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/hko_rhrread_archive.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/hko_rhrread_archive_summary.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/labels_warning_windows.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/stations.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 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 2306, in cast_table_to_schema
raise CastError(
...<3 lines>...
)
datasets.table.CastError: Couldn't cast
hour_end_hkt: string
any_station_amber: bool
any_station_red: bool
any_station_black: bool
n_amber: int64
n_red: int64
n_black: int64
label_basis: string
-- schema metadata --
pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 1239
to
{'station_id': Value('string'), 'station_name': Value('string'), 'easting': Value('int64'), 'northing': Value('int64'), 'source': 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 8 new columns ({'any_station_red', 'n_amber', 'hour_end_hkt', 'any_station_black', 'n_red', 'label_basis', 'any_station_amber', 'n_black'}) and 5 missing columns ({'station_name', 'easting', 'source', 'northing', 'station_id'}).
This happened while the csv dataset builder was generating data using
hf://datasets/NotASI/COMP3522-HKO/cowin/cowin_labels_rainstorm_hourly.csv (at revision bfaed2255c96c0bdb8d410bf7363f5eb330b1211), ['hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/cedd/cedd_stations.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/cowin/cowin_labels_rainstorm_hourly.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/hko_daily_rainfall.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/hko_daily_temp.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/hko_daily_temp_wide.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/hko_daily_weather.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/hko_fnd_archive.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/hko_rainstorm_warning_history.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/hko_rhrread_archive.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/hko_rhrread_archive_summary.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/labels_warning_windows.csv', 'hf://datasets/NotASI/COMP3522-HKO@bfaed2255c96c0bdb8d410bf7363f5eb330b1211/hko/stations.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.
station_id string | station_name string | easting int64 | northing int64 | source string |
|---|---|---|---|---|
H01 | Mount Davis | 830,607 | 814,883 | cedd_geo |
H02 | Kennedy Town | 831,226 | 815,748 | cedd_geo |
H03 | Mount Davis | 831,790 | 813,592 | cedd_geo |
H04 | Pokfulam | 832,306 | 816,024 | cedd_geo |
H05 | Aberdeen | 834,419 | 812,672 | cedd_geo |
H06 | Wan Chai | 836,209 | 814,939 | cedd_geo |
H07 | Causeway Bay | 837,298 | 815,215 | cedd_geo |
H08 | Happy Valley | 837,130 | 813,918 | cedd_geo |
H09 | North Point | 838,742 | 816,479 | cedd_geo |
H10 | Victoria Peak | 832,977 | 815,184 | cedd_geo |
H12 | Mid-Level | 833,301 | 815,740 | cedd_geo |
H14 | Chai Wan | 842,086 | 813,774 | cedd_geo |
H15 | Stanley | 840,267 | 808,547 | cedd_geo |
H16 | The Peak | 833,767 | 814,303 | cedd_geo |
H17 | Mid-Level | 834,950 | 814,765 | cedd_geo |
H18 | Quarry Bay | 840,253 | 815,878 | cedd_geo |
H19 | Shau Kei Wan | 841,655 | 815,228 | cedd_geo |
H20 | Ap Lei Chau | 833,516 | 811,763 | cedd_geo |
H23 | Aberdeen | 834,934 | 811,542 | cedd_geo |
H24 | Aberdeen | 835,927 | 812,499 | cedd_geo |
H25 | Sheung Wan | 833,447 | 816,657 | cedd_geo |
H26 | Tai Tam | 840,826 | 811,961 | cedd_geo |
H28 | Shek O | 843,753 | 810,693 | cedd_geo |
H29 | Siu Sai Wan | 844,043 | 814,110 | cedd_geo |
H30 | Repulse Bay | 837,669 | 811,296 | cedd_geo |
K01 | Homantin | 836,346 | 819,525 | cedd_geo |
K02 | Kowloon Tong | 836,480 | 822,656 | cedd_geo |
K03 | Kwun Tong | 841,188 | 819,957 | cedd_geo |
K04 | Choi Hung | 841,237 | 821,549 | cedd_geo |
K05 | Yau Tong | 842,912 | 817,594 | cedd_geo |
K06 | Cheung Sha Wan | 834,530 | 822,371 | cedd_geo |
K07 | Tsz Wan Shan | 838,661 | 823,562 | cedd_geo |
K08 | Lam Tin | 842,255 | 818,602 | cedd_geo |
K09 | San Po Kong | 838,209 | 821,503 | cedd_geo |
K10 | Stonecutters Island | 832,392 | 820,905 | cedd_geo |
N01 | Shatin | 835,336 | 824,813 | cedd_geo |
N02 | Shatin | 838,019 | 827,550 | cedd_geo |
N03 | North Tsuen Wan | 831,354 | 826,091 | cedd_geo |
N04 | Kwai Chung | 831,444 | 822,913 | cedd_geo |
N05 | Fanling | 832,596 | 839,416 | cedd_geo |
N06 | Kwai Chung | 832,403 | 824,964 | cedd_geo |
N07 | Tuen Mun | 814,657 | 828,233 | cedd_geo |
N08 | Sai Kung | 843,344 | 822,264 | cedd_geo |
N09 | Shatin | 839,925 | 830,675 | cedd_geo |
N10 | Sham Tseng | 824,255 | 825,495 | cedd_geo |
N11 | Tsing Yi | 827,699 | 821,980 | cedd_geo |
N12 | Yuen Long | 820,220 | 834,088 | cedd_geo |
N13 | Sai Kung | 852,916 | 826,527 | cedd_geo |
N14 | Tsuen Wan | 830,866 | 830,191 | cedd_geo |
N15 | Sai Kung | 845,889 | 827,047 | cedd_geo |
N16 | Tseung Kwan O | 845,360 | 819,890 | cedd_geo |
N17 | Lantau Island | 811,397 | 815,539 | cedd_geo |
N18 | Lantau Island | 817,992 | 814,038 | cedd_geo |
N19 | Lantau Island | 805,560 | 811,362 | cedd_geo |
N20 | Sai Kung | 849,044 | 816,943 | cedd_geo |
N21 | Lantau Island | 811,431 | 813,837 | cedd_geo |
N22 | Lantau Island | 811,987 | 810,236 | cedd_geo |
N23 | Lantau Island | 817,864 | 819,365 | cedd_geo |
N24 | Lantau Island | 821,182 | 821,563 | cedd_geo |
N25 | Peng Chau | 821,936 | 816,232 | cedd_geo |
N26 | Cheung Chau | 820,958 | 807,601 | cedd_geo |
N27 | Lamma Island | 831,596 | 807,431 | cedd_geo |
N28 | Nim Wan | 811,005 | 831,653 | cedd_geo |
N29 | Tuen Mun | 815,827 | 830,636 | cedd_geo |
N30 | Junk Bay | 846,409 | 817,465 | cedd_geo |
N31 | Tai Lam Chung | 820,392 | 825,596 | cedd_geo |
N32 | Tai Tong | 821,645 | 829,722 | cedd_geo |
N33 | Fairview Park | 823,229 | 837,363 | cedd_geo |
N34 | Sheung Shui | 830,245 | 842,003 | cedd_geo |
N35 | Tai Po | 833,331 | 835,601 | cedd_geo |
N36 | Shek Kong | 829,768 | 832,255 | cedd_geo |
N37 | Tsuen Wan | 828,849 | 829,689 | cedd_geo |
N38 | Tsuen Wan | 828,954 | 826,520 | cedd_geo |
N39 | Tsing Yi | 828,714 | 824,832 | cedd_geo |
N40 | Kwai Chung | 832,828 | 827,280 | cedd_geo |
N41 | Tai Po | 836,677 | 832,233 | cedd_geo |
N42 | Shatin | 837,167 | 825,730 | cedd_geo |
N43 | Shatin | 840,187 | 826,944 | cedd_geo |
N44 | Ma On Shan | 842,933 | 831,863 | cedd_geo |
N45 | Tai Po | 839,249 | 835,337 | cedd_geo |
N46 | Plover Cove | 843,039 | 840,715 | cedd_geo |
N47 | Ma On Shan | 844,657 | 831,931 | cedd_geo |
N48 | Sai Kung | 848,830 | 828,393 | cedd_geo |
N49 | Tuen Mun | 812,303 | 825,370 | cedd_geo |
N50 | Sai Kung | 844,960 | 826,228 | cedd_geo |
N51 | Po Toi | 844,117 | 802,763 | cedd_geo |
N52 | Hoi Ha | 851,547 | 835,422 | cedd_geo |
N53 | Tai O | 804,276 | 812,600 | cedd_geo |
N54 | Shek Kwu Chau | 816,733 | 806,068 | cedd_geo |
N55 | Tap Mun | 855,431 | 836,545 | cedd_geo |
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End of preview.
processed/ — auto-generated index
Auto-generated on 2026-10-08T15:45:30+08:00 by
scripts/generate_processed_readmes.py. Each section below has its own dynamically generated README.
Sections
- cedd — 2 files, 98,730 rows
- cowin — 3 files, 576,471 rows
- hko — 10 files, 217,801 rows
- open_meteo — 4 files, 767,200 rows
Getting the data
processed/ is self-contained: no file references raw/. The data folders are git-ignored (too large for GitHub); regenerate them with scripts/flatten_hko_data.py, then this documentation with scripts/generate_processed_readmes.py.
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