Function melanoma 

pub fn melanoma() -> Result<DataFrame, PolarsError>

Survival from Malignant Melanoma

Description:

The ‘Melanoma’ data frame has data on 205 patients in Denmark with malignant melanoma.

Usage:

Melanoma

Format:

This data frame contains the following columns:

• ‘time’ survival time in days, possibly censored.
• ‘status’ ‘1’ died from melanoma, ‘2’ alive, ‘3’ dead from other causes.
• ‘sex’ ‘1’ = male, ‘0’ = female.
• ‘age’ age in years.
• ‘year’ of operation.
• ‘thickness’ tumour thickness in mm.
• ‘ulcer’ ‘1’ = presence, ‘0’ = absence.

Source:

P. K. Andersen, O. Borgan, R. D. Gill and N. Keiding (1993) Statistical Models based on Counting Processes. Springer.