This dataset, Rotterdam_df, provides prognostic factors for breast cancer patients used in the studies of Royston and Altman. The dataset includes 2,982 observations and 15 variables, covering patient demographics, tumor characteristics, treatments, and outcomes. Some observations contain missing values.
data(Rotterdam_df)A data frame with 2,982 observations and 15 variables:
Patient identifier (integer)
Year of surgery (integer)
Age at diagnosis (integer)
Menopausal status (integer indicator)
Tumor size category (factor)
Tumor grade (integer)
Number of positive lymph nodes (integer)
Progesterone receptor level (integer)
Estrogen receptor level (integer)
Hormonal therapy received (integer indicator)
Chemotherapy received (integer indicator)
Relapse-free survival time in days (numeric)
Recurrence indicator (integer)
Time to death in days (numeric)
Death indicator (integer)
The dataset name has been kept as 'Rotterdam_df' to avoid confusion with other datasets in the R ecosystem. This naming convention helps distinguish this dataset as part of the ForCausality package and assists users in identifying its specific characteristics. The suffix 'df' indicates that the dataset is a data frame. The original content has not been modified in any way.