Datasets:

TabBioMed
/

lymphography

row_idx int64	f_0_lymphatics string	f_1_block_of_affere string	f_2_bl_of_lymph_c string	f_3_bl_of_lymph_s string	f_4_by_pass string	f_5_extravasates string	f_6_regeneration_of string	f_7_early_uptake_in string	f_8_lym_nodes_dimin float64	f_9_lym_nodes_enlar float64	f_10_changes_in_lym string	f_11_defect_in_node string	f_12_changes_in_node string	f_13_changes_in_stru string	f_14_special_forms string	f_15_dislocation_of string	f_16_exclusion_of_no string	f_17_no_of_nodes_in float64	target int64
2	arched	no	no	no	no	yes	no	yes	1	2	oval	lac_margin	lac_margin	drop_like	vesicles	no	yes	1	0
3	arched	no	no	no	no	no	no	no	1	2	round	lac_margin	lac_margin	faint	vesicles	no	no	1	1
4	arched	no	no	no	no	no	no	yes	1	2	oval	lac_central	lacunar	faint	vesicles	yes	yes	3	0
5	deformed	no	no	no	no	no	no	no	1	2	oval	lac_central	lacunar	faint	chalices	yes	yes	1	0
6	deformed	no	no	no	no	no	no	yes	1	4	round	lac_margin	lac_central	diluted	vesicles	yes	yes	3	0
7	arched	no	no	no	no	no	no	yes	1	3	oval	lac_central	lacunar	faint	vesicles	yes	yes	4	0
8	displaced	no	no	no	no	no	no	yes	1	3	oval	lac_central	lac_central	faint	vesicles	yes	yes	1	0
10	displaced	no	no	no	no	no	no	no	2	1	round	lac_central	lacunar	faint	no	yes	yes	1	1
12	deformed	no	no	no	no	no	no	no	1	2	oval	lac_central	lac_margin	diluted	no	yes	yes	1	1
13	deformed	yes	yes	yes	yes	yes	no	yes	1	2	round	lac_margin	lac_margin	coarse	vesicles	yes	yes	7	1
14	displaced	yes	no	no	yes	no	no	yes	1	3	round	lac_margin	lac_margin	grainy	chalices	yes	yes	3	1
15	displaced	no	no	no	no	no	no	yes	1	4	oval	lacunar	lac_central	stripped	vesicles	yes	yes	7	0
17	displaced	no	no	no	no	no	no	yes	1	4	oval	lac_central	lacunar	faint	vesicles	yes	yes	6	0
18	deformed	yes	no	no	no	yes	no	no	1	2	oval	lac_central	lac_margin	coarse	no	yes	yes	2	1
19	arched	no	no	no	no	no	no	yes	1	3	oval	lac_central	lac_central	coarse	vesicles	yes	yes	5	0
20	arched	yes	no	no	no	no	no	yes	1	4	round	lac_central	lacunar	faint	chalices	no	yes	4	1
23	arched	no	no	no	no	yes	no	yes	1	3	oval	lacunar	lacunar	coarse	vesicles	no	yes	5	0
24	arched	yes	no	no	no	yes	no	yes	1	3	round	lac_margin	lac_margin	faint	vesicles	yes	yes	4	0
27	displaced	yes	no	no	no	no	no	yes	1	2	oval	lacunar	lac_margin	drop_like	chalices	yes	yes	1	1
29	arched	no	no	no	no	yes	no	no	1	2	oval	lacunar	lacunar	drop_like	no	no	no	1	0
31	arched	yes	yes	no	yes	yes	no	yes	1	3	oval	lac_central	lac_margin	diluted	no	yes	yes	3	1
32	deformed	yes	no	no	no	no	no	yes	1	2	round	lac_margin	lac_margin	faint	chalices	yes	yes	1	1
33	arched	yes	yes	no	yes	yes	no	no	1	2	oval	lac_margin	lac_margin	coarse	chalices	no	yes	1	1
34	displaced	no	no	no	no	yes	no	yes	1	3	round	lac_central	lacunar	coarse	vesicles	yes	yes	4	0
37	arched	yes	no	no	yes	yes	no	no	1	3	round	lac_central	lac_margin	coarse	vesicles	no	no	1	1
38	arched	no	no	no	no	no	no	no	1	1	bean	no	no	drop_like	no	yes	yes	1	1
39	arched	no	no	no	no	no	no	yes	1	2	oval	lacunar	no	stripped	no	yes	yes	2	0
40	arched	yes	no	no	no	yes	no	yes	1	2	round	lac_margin	lac_margin	diluted	vesicles	yes	yes	2	1
41	displaced	no	no	no	no	yes	no	yes	1	4	round	lac_central	lacunar	diluted	vesicles	yes	yes	2	0
43	displaced	yes	yes	no	no	yes	no	yes	1	2	oval	lac_margin	lac_margin	faint	vesicles	yes	yes	2	1
44	deformed	yes	no	no	yes	yes	no	yes	1	3	round	lacunar	lac_margin	coarse	chalices	yes	yes	2	1
46	displaced	yes	yes	no	yes	yes	no	yes	1	3	round	lac_central	lac_margin	faint	chalices	yes	yes	3	1
47	displaced	yes	no	no	no	no	no	yes	1	2	oval	lacunar	lac_central	faint	no	no	yes	2	0
48	deformed	no	no	no	no	no	no	yes	1	3	oval	lacunar	lacunar	faint	no	no	no	1	1
49	deformed	no	no	no	no	no	no	yes	2	1	oval	lacunar	lacunar	faint	vesicles	no	yes	8	0
50	deformed	yes	yes	no	yes	yes	no	no	1	3	round	lac_central	lac_margin	coarse	chalices	yes	yes	3	1
52	deformed	no	no	no	no	no	no	yes	1	2	oval	lacunar	lac_margin	grainy	no	yes	yes	1	1
53	deformed	yes	no	no	no	yes	no	yes	1	3	oval	lac_central	lac_margin	coarse	chalices	yes	yes	2	1
56	deformed	yes	no	no	no	yes	no	yes	1	2	oval	lacunar	lacunar	no	vesicles	no	no	1	1
57	arched	yes	no	no	no	yes	no	yes	1	2	round	lac_margin	lac_margin	diluted	vesicles	yes	yes	1	1
59	deformed	yes	yes	yes	yes	yes	yes	yes	1	4	round	lac_margin	lac_central	faint	vesicles	yes	yes	7	0
60	deformed	yes	yes	no	yes	yes	no	yes	1	3	oval	lacunar	lac_margin	coarse	no	yes	yes	1	1
61	arched	no	no	no	no	no	no	yes	1	2	oval	lacunar	lacunar	coarse	no	yes	no	2	1
62	displaced	yes	no	no	no	yes	no	no	1	2	oval	lac_margin	lac_margin	diluted	chalices	no	yes	1	1
63	arched	yes	no	no	no	no	no	yes	1	3	round	lac_margin	lac_margin	grainy	chalices	yes	no	1	1
67	displaced	yes	no	no	yes	yes	no	yes	1	4	round	lac_central	lac_margin	coarse	chalices	yes	yes	2	1
69	arched	no	no	no	no	no	no	yes	1	2	oval	lac_central	lacunar	grainy	no	yes	yes	1	1
70	displaced	yes	no	no	no	yes	no	yes	1	4	round	lac_margin	lac_margin	stripped	vesicles	yes	yes	3	0
71	deformed	yes	yes	no	no	yes	no	no	1	3	oval	lac_margin	lac_margin	coarse	vesicles	no	yes	2	1
73	displaced	yes	no	no	no	yes	no	no	1	2	round	lacunar	lac_margin	grainy	chalices	no	no	1	1
74	arched	yes	yes	no	yes	yes	yes	yes	1	3	round	lac_central	lac_central	diluted	vesicles	yes	yes	5	0
75	deformed	no	no	no	no	no	no	yes	1	2	oval	lac_central	lac_central	grainy	vesicles	yes	no	1	0
76	arched	yes	no	no	no	yes	no	yes	1	2	oval	lac_central	lac_central	diluted	vesicles	yes	yes	1	1
77	arched	no	no	no	no	yes	no	yes	1	2	oval	lacunar	lacunar	faint	chalices	no	yes	2	0
78	arched	yes	yes	no	no	no	no	yes	1	2	oval	lac_central	lac_margin	faint	chalices	yes	yes	2	1
79	arched	no	no	no	no	no	no	no	1	2	oval	lacunar	lac_margin	faint	chalices	no	yes	1	1
80	arched	yes	no	no	no	no	no	no	1	2	round	lac_margin	lac_margin	grainy	chalices	yes	yes	1	1
81	displaced	no	no	no	no	no	no	yes	1	3	oval	lacunar	lac_central	drop_like	chalices	yes	no	1	0
82	deformed	yes	no	no	yes	yes	no	no	1	2	oval	lac_central	lac_margin	grainy	no	yes	yes	3	1
83	arched	yes	no	no	no	yes	no	yes	1	4	round	lac_central	lac_central	faint	vesicles	yes	yes	7	0
85	arched	yes	no	no	no	yes	no	yes	1	2	round	lacunar	lacunar	coarse	chalices	no	no	2	1
86	arched	yes	yes	no	yes	yes	yes	yes	1	4	oval	lacunar	lacunar	coarse	vesicles	yes	yes	6	0
87	displaced	yes	no	no	yes	yes	no	no	1	1	round	lac_margin	lac_margin	drop_like	vesicles	yes	yes	3	1
89	arched	no	no	no	no	no	no	yes	1	4	round	lac_central	lac_central	diluted	vesicles	yes	yes	5	0
90	arched	no	no	no	no	no	no	yes	1	3	oval	lac_margin	lac_margin	faint	vesicles	yes	yes	3	0
91	deformed	no	no	no	no	yes	no	yes	1	4	oval	lacunar	lacunar	coarse	vesicles	yes	yes	7	0
92	arched	no	no	no	no	no	no	yes	1	2	oval	lac_margin	lac_margin	diluted	vesicles	no	no	2	0
94	displaced	no	no	no	no	yes	no	yes	1	4	oval	lacunar	lac_central	stripped	vesicles	yes	yes	2	0
97	displaced	yes	yes	yes	yes	yes	yes	yes	1	4	round	lac_central	lac_central	stripped	vesicles	yes	yes	8	0
98	displaced	yes	no	no	no	yes	no	no	1	3	round	lac_central	lac_margin	faint	vesicles	yes	yes	2	1
99	displaced	yes	yes	no	yes	yes	no	yes	1	1	oval	lacunar	no	drop_like	no	yes	yes	2	0
100	deformed	no	no	no	no	yes	no	yes	1	2	oval	lac_central	lac_margin	faint	chalices	yes	yes	1	0
101	deformed	no	no	no	no	no	no	yes	1	2	oval	lac_central	lacunar	coarse	vesicles	yes	yes	3	0
102	displaced	yes	yes	no	no	no	no	yes	1	2	oval	lacunar	lac_margin	drop_like	chalices	yes	yes	2	1
103	deformed	yes	no	no	no	no	no	no	1	2	oval	lac_margin	lac_margin	diluted	no	no	no	1	1
105	arched	yes	no	no	yes	yes	no	no	1	2	oval	lac_central	lacunar	faint	vesicles	yes	yes	1	1
106	deformed	no	no	no	no	no	yes	no	1	2	oval	lac_central	lac_margin	diluted	chalices	no	yes	1	1
109	arched	yes	no	no	no	no	no	yes	1	2	round	lac_margin	lac_margin	diluted	chalices	no	yes	1	1
112	deformed	yes	no	no	no	no	no	no	1	2	oval	lac_margin	lac_margin	drop_like	vesicles	no	no	2	1
113	arched	yes	no	no	no	no	no	yes	1	2	round	lac_margin	lac_margin	diluted	vesicles	no	yes	1	1
115	arched	no	no	no	no	no	no	yes	1	3	oval	lacunar	lacunar	faint	vesicles	yes	yes	5	0
117	deformed	yes	no	no	no	no	no	yes	1	2	round	lac_margin	lac_margin	diluted	chalices	yes	no	1	1
118	displaced	yes	no	no	yes	yes	no	yes	1	3	round	lac_central	lac_margin	coarse	vesicles	yes	yes	2	1
119	displaced	yes	no	no	no	no	no	no	1	4	round	lac_margin	lac_margin	coarse	chalices	yes	no	1	1
120	displaced	no	no	no	no	yes	no	yes	1	4	round	lac_central	lac_margin	drop_like	vesicles	yes	yes	5	0
121	arched	no	no	no	no	no	no	no	1	2	round	lacunar	lac_margin	drop_like	chalices	yes	no	1	0
123	arched	yes	no	no	no	no	no	yes	1	2	oval	lacunar	lac_margin	faint	vesicles	no	yes	1	1
125	deformed	no	no	no	no	no	no	no	1	2	round	lac_margin	lac_margin	coarse	vesicles	no	yes	2	1
131	displaced	yes	yes	yes	yes	yes	no	yes	1	4	round	lac_central	lac_central	stripped	vesicles	yes	yes	6	0
132	displaced	yes	no	no	yes	yes	no	yes	1	2	round	lacunar	lac_margin	grainy	vesicles	yes	yes	4	1
133	deformed	yes	no	no	no	yes	no	yes	1	3	round	lac_margin	lac_margin	coarse	vesicles	yes	yes	1	1
134	deformed	yes	yes	no	yes	no	no	yes	1	2	oval	lac_margin	lac_margin	faint	vesicles	no	yes	1	1
135	arched	no	no	no	no	no	no	yes	1	3	round	lacunar	lac_margin	coarse	vesicles	yes	yes	2	0
137	displaced	no	no	no	no	no	no	yes	1	3	round	lacunar	lacunar	coarse	chalices	yes	yes	2	1
138	deformed	no	no	no	no	yes	no	yes	1	4	round	lac_central	lacunar	coarse	vesicles	yes	yes	6	0
139	deformed	yes	no	no	yes	yes	no	yes	1	2	oval	lac_central	lac_margin	diluted	chalices	yes	yes	4	0
140	deformed	yes	no	no	no	no	no	yes	1	3	oval	lacunar	lac_central	faint	vesicles	yes	yes	3	0
141	arched	no	no	no	no	no	no	no	1	1	oval	lac_central	lac_margin	faint	chalices	yes	yes	2	1

lymphography

Part of TabBioMed (TabBioMed: A Large-Scale Benchmark for Biomedical Tabular Learning), a benchmark of 94 curated biomedical tabular datasets. Code, preprocessing and documentation: https://github.com/AI-sandbox/TabBioMed.

Lymphography (OpenML ID 10), restricted to metastases (1; 81 samples) versus malignant lymph (0; 61 samples). The two normal and four fibrosis cases are excluded. All 18 source features and the source row order are retained. Evaluation uses five stratified outer folds and three stratified inner folds for hyperparameter selection; preprocessing is fitted within training partitions.

Domain	Task	Samples	Features	Classes
Clinical & Healthcare	binary	142	18	2

Splits. 5 stored outer cross-validation folds (data/fold_<i>/), each with train/val/test files (fold 0: 98/15/29 rows). Every row appears in exactly one outer test fold. HPO in the paper uses inner folds drawn from each outer non-test pool.

Files

data/**.parquet: one row per sample. row_idx is the row index in the original TabBioMed array; f_<i>[_<name>] are the features (in order); target (or target_<j> for multi-target tasks) is the label. Categorical feature indices (0-based, among the features): [0, 1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 16]. Missing values are stored as nulls.
metadata.json: TabBioMed task metadata (task type, categorical indices, source, description).
feature_names.json: original feature names, in column order.
sample_metadata.csv: per-row provenance (identifiers, source annotations); not features.

from datasets import load_dataset
ds = load_dataset("TabBioMed/lymphography")

A Croissant (1.1) description with Responsible-AI fields is distributed with the TabBioMed release.

Source and license

Source: OpenML_Dataset_ID_10

This derived dataset is distributed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Please also cite and respect the terms of the original source.

Citation

@inproceedings{tabbiomed2026,
  title     = {TabBioMed: A Large-Scale Benchmark for Biomedical Tabular Learning},
  author    = {Mateo Bernad{\'o}, Pau and Polapragada, Saivenkata Nagavyjayanthi and Bonet, David and Arbiol Rakuljic, Pol and Mogas Pladevall, Laia and Comajoan Cara, Mar{\c{c}}al and Gonzalez Ferrer, Jesus and Abante, Jordi and Mas Montserrat, Daniel and Haussler, David and Ioannidis, Alexander G.},
  booktitle = {Advances in Neural Information Processing Systems (NeurIPS), Evaluations and Datasets Track},
  year      = {2026}
}

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