1. brickset::legosets
    Lego sets from 1970 through 2022.
    csv| xlsx| json| ndjson| rda| rds
    data.frame|19409 x 36
  2. likert::MathAnxiety
    Pre-summarized results from an administration of the Math Anxiety Scale Survey.
    csv| xlsx| json| ndjson| rda| rds
    data.frame|14 x 6
  3. likert::MathAnxietyGender
    Pre-summarized results from an administration of the Math Anxiety Scale Survey grouped by gender.
    csv| xlsx| json| ndjson| rda| rds
    data.frame|28 x 7
  4. likert::gap
    Fictitious dataset with importance and satisfaction results across five different offices.
    csv| xlsx| json| ndjson| rda| rds
    data.frame|68 x 11
  5. likert::mass
    Results from an administration of the Math Anxiety Scale Survey.
    csv| xlsx| json| ndjson| rda| rds
    data.frame|20 x 15
  6. likert::pisaitems
    Programme of International Student Assessment
    csv| xlsx| json| ndjson| rda| rds
    data.frame|66690 x 81
  7. likert::sasr
    Results from the Survey of Academic Self-Regulation (SASR).
    csv| xlsx| json| ndjson| rda| rds
    data.frame|860 x 63
  8. multilevelPSA::pisa.colnames
    Mapping of variables in 'pisana' with full descriptions.
    csv| xlsx| json| ndjson| rda| rds
    data.frame|50 x 3
  9. multilevelPSA::pisa.countries
    Data frame mapping PISA countries to their three letter abbreviation.
    csv| xlsx| json| ndjson| rda| rds
    data.frame|65 x 2
  10. multilevelPSA::pisa.psa.cols
    Character vector representing the list of covariates used for estimating propensity scores.
    json| rda| rds
    character
  11. multilevelPSA::pisana
    North American (i.e. Canada, Mexico, and United States) student results of the 2009 Programme of International Student Assessment.
    csv| xlsx| json| ndjson| rda| rds
    data.frame|66548 x 65
  12. PSAboot::pisa.psa.cols
    Character vector representing the list of covariates used for estimating propensity scores.
    json| rda| rds
    character
  13. PSAboot::pisalux
    Programme of International Student Assessment (PISA) results from the Luxembourg in 2009.
    csv| xlsx| json| ndjson| rda| rds
    data.frame|4622 x 65
  14. PSAboot::pisausa
    Programme of International Student Assessment (PISA) results from the United States in 2009.
    csv| xlsx| json| ndjson| rda| rds
    data.frame|5233 x 65
  15. PSAgraphics::lindner
    Data on 996 initial Percutaneous Coronary Interventions (PCIs) performed in 1997 at the Lindner Center, Christ Hospital, Cincinnati.
    csv| xlsx| json| ndjson| rda| rds
    data.frame|996 x 10
  16. TriMatch::nmes
    Results from the 1987 National Medical Expenditure Study
    csv| xlsx| json| ndjson| rda| rds
    data.frame|20622 x 29
  17. TriMatch::tutoring
    Results from a study examining the effects of tutoring services on course grades.
    csv| xlsx| json| ndjson| rda| rds
    data.frame|1142 x 17