1. PerFit::InadequacyData
    The NPV-J inadequacy scale data
    csv| xlsx| json| ndjson| rda| rds
    data.frame|806 x 28
  2. PerFit::IntelligenceData
    Intelligence data (number completion)
    csv| xlsx| json| ndjson| rda| rds
    data.frame|1000 x 26
  3. PerFit::PhysFuncData
    The SF-36 physical functioning data
    csv| xlsx| json| ndjson| rda| rds
    data.frame|714 x 10