# sksurv.datasets.load_breast_cancer¶

sksurv.datasets.load_breast_cancer()

Load and return the breast cancer dataset

The dataset has 198 samples and 80 features. The endpoint is the presence of distance metastases, which occurred for 51 patients (25.8%).

Returns: x : pandas.DataFrame The measurements for each patient. y : structured array with 2 fields e.tdm: boolean indicating whether the endpoint has been reached or the event time is right censored. t.tdm: time to distant metastasis (days)

References

 [2] Desmedt, C., Piette, F., Loi et al.: “Strong Time Dependence of the 76-Gene Prognostic Signature for Node-Negative Breast Cancer Patients in the TRANSBIG Multicenter Independent Validation Series.” Clin. Cancer Res. 13(11), 3207–14 (2007)