1. frailtySurv::drs
    Diabetic Retinopathy Study (DRS)
    csv| xlsx| json| ndjson| rda| rds
    data.frame|394 x 8
  2. frailtySurv::hdfail
    Hard drive failure dataset
    csv| xlsx| json| ndjson| rda| rds
    data.frame|52422 x 8