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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 2 new columns ({'bboxes', 'detailed_class'})
This happened while the csv dataset builder was generating data using
hf://datasets/choheeee22/rsna-pneumonia-day4/labels_detailed.csv (at revision 87048b3797d3b14f325b1a4aa87b86940aa2d6fb), [/tmp/hf-datasets-cache/medium/datasets/68377087537851-config-parquet-and-info-choheeee22-rsna-pneumonia-d4365f60/hub/datasets--choheeee22--rsna-pneumonia-day4/snapshots/87048b3797d3b14f325b1a4aa87b86940aa2d6fb/labels.csv (origin=hf://datasets/choheeee22/rsna-pneumonia-day4@87048b3797d3b14f325b1a4aa87b86940aa2d6fb/labels.csv), /tmp/hf-datasets-cache/medium/datasets/68377087537851-config-parquet-and-info-choheeee22-rsna-pneumonia-d4365f60/hub/datasets--choheeee22--rsna-pneumonia-day4/snapshots/87048b3797d3b14f325b1a4aa87b86940aa2d6fb/labels_detailed.csv (origin=hf://datasets/choheeee22/rsna-pneumonia-day4@87048b3797d3b14f325b1a4aa87b86940aa2d6fb/labels_detailed.csv), /tmp/hf-datasets-cache/medium/datasets/68377087537851-config-parquet-and-info-choheeee22-rsna-pneumonia-d4365f60/hub/datasets--choheeee22--rsna-pneumonia-day4/snapshots/87048b3797d3b14f325b1a4aa87b86940aa2d6fb/splits.csv (origin=hf://datasets/choheeee22/rsna-pneumonia-day4@87048b3797d3b14f325b1a4aa87b86940aa2d6fb/splits.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/python3.12/site-packages/datasets/builder.py", line 1800, in _prepare_split_single
writer.write_table(table)
File "/usr/local/lib/python3.12/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/python3.12/site-packages/datasets/arrow_writer.py", line 773, in _write_table
pa_table = table_cast(pa_table, self._schema)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/table.py", line 2321, in table_cast
return cast_table_to_schema(table, schema)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/table.py", line 2249, in cast_table_to_schema
raise CastError(
datasets.table.CastError: Couldn't cast
patient_id: string
image_path: string
label: int64
detailed_class: string
bboxes: string
-- schema metadata --
pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 849
to
{'patient_id': Value('string'), 'image_path': Value('string'), 'label': Value('int64')}
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 1347, 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 980, in convert_to_parquet
builder.download_and_prepare(
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 882, in download_and_prepare
self._download_and_prepare(
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 943, in _download_and_prepare
self._prepare_split(split_generator, **prepare_split_kwargs)
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1646, in _prepare_split
for job_id, done, content in self._prepare_split_single(
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1802, 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 2 new columns ({'bboxes', 'detailed_class'})
This happened while the csv dataset builder was generating data using
hf://datasets/choheeee22/rsna-pneumonia-day4/labels_detailed.csv (at revision 87048b3797d3b14f325b1a4aa87b86940aa2d6fb), [/tmp/hf-datasets-cache/medium/datasets/68377087537851-config-parquet-and-info-choheeee22-rsna-pneumonia-d4365f60/hub/datasets--choheeee22--rsna-pneumonia-day4/snapshots/87048b3797d3b14f325b1a4aa87b86940aa2d6fb/labels.csv (origin=hf://datasets/choheeee22/rsna-pneumonia-day4@87048b3797d3b14f325b1a4aa87b86940aa2d6fb/labels.csv), /tmp/hf-datasets-cache/medium/datasets/68377087537851-config-parquet-and-info-choheeee22-rsna-pneumonia-d4365f60/hub/datasets--choheeee22--rsna-pneumonia-day4/snapshots/87048b3797d3b14f325b1a4aa87b86940aa2d6fb/labels_detailed.csv (origin=hf://datasets/choheeee22/rsna-pneumonia-day4@87048b3797d3b14f325b1a4aa87b86940aa2d6fb/labels_detailed.csv), /tmp/hf-datasets-cache/medium/datasets/68377087537851-config-parquet-and-info-choheeee22-rsna-pneumonia-d4365f60/hub/datasets--choheeee22--rsna-pneumonia-day4/snapshots/87048b3797d3b14f325b1a4aa87b86940aa2d6fb/splits.csv (origin=hf://datasets/choheeee22/rsna-pneumonia-day4@87048b3797d3b14f325b1a4aa87b86940aa2d6fb/splits.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.
patient_id string | image_path string | label int64 |
|---|---|---|
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End of preview.
RSNA Pneumonia — Day 4 Subset (1,000 DICOMs)
의료AI 강의 Day 4 (DICOM 형식 이해 + PyTorch Dataset/DataLoader)용 서브셋입니다.
데이터 출처
원본: RSNA Pneumonia Detection Challenge (2018)
원본 데이터는 RSNA(Radiological Society of North America)와 NIH가 공동 공개한 흉부 X-ray DICOM 데이터셋입니다. 본 서브셋은 강의 목적을 위해 1,000장을 추출한 것이며, 모든 권리와 출처 표기 의무는 RSNA의 약관을 따릅니다.
구성
| 항목 | 값 |
|---|---|
| 총 장수 | 1,000 |
양성 (label=1, Lung Opacity) |
500 |
음성 (label=0, Normal + No Lung Opacity/Not Normal) |
500 |
| 영상 형식 | DICOM (1024×1024, 8-bit) |
| Train / Val | 800 / 200 (환자 단위 stratified 80:20) |
파일 구조
.
├── README.md
├── day4_data.py # 로더 헬퍼 (load_day4_dataset, load_day4_detailed)
├── labels.csv # patient_id, image_path, label
├── labels_detailed.csv # + detailed_class (Normal / No Lung Opacity-Not Normal / Lung Opacity) + bboxes (json)
├── splits.csv # patient_id, split (train/val)
└── images/ # 1,000개 DICOM
├── <patient_id>.dcm
└── ...
사용 예시
!pip install -q huggingface_hub pydicom pandas
from huggingface_hub import snapshot_download
import sys
data_dir = snapshot_download(
repo_id="<USERNAME>/rsna-pneumonia-day4",
repo_type="dataset",
)
sys.path.append(data_dir)
from day4_data import load_day4_dataset
# 자연 분포(~22%)
df = load_day4_dataset(n=300)
# M4 — 극단 불균형(10% 양성)
df_imbalanced = load_day4_dataset(n=300, prevalence=0.1)
# M4 — Sampler 적용 후 균형(50%)
df_balanced = load_day4_dataset(n=300, prevalence=0.5)
# Val
df_val = load_day4_dataset(n=100, split="val")
라벨 정의
원본 RSNA 3-class를 이진 분류로 단순화:
| label | 포함 클래스 |
|---|---|
| 1 | Lung Opacity (폐렴 양성) |
| 0 | Normal + No Lung Opacity / Not Normal |
3-class 원본 정보가 필요하면 load_day4_detailed()로 detailed_class 컬럼을 함께 받을 수 있습니다.
라이선스 / 인용
본 서브셋은 RSNA Pneumonia Detection Challenge의 데이터 사용 약관을 준수합니다. 사용 시 다음과 같이 인용해 주세요:
RSNA Pneumonia Detection Challenge (2018).
Radiological Society of North America.
https://www.kaggle.com/c/rsna-pneumonia-detection-challenge
원본 데이터는 NIH ChestX-ray14 데이터셋을 기반으로 RSNA 자원 봉사 영상의학과 의사들이 폐 음영(lung opacity) 라벨을 추가하여 구축되었습니다.
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