who-ari: World Health Organization study of acute respiratory illnesses (Description of variables)

prostate: PSA and clinical measures in men about to undergo prostatectomy (prostate2)

vertebra: Pelvic and spinal angle measures on three samples: normal patients, patients with disc herniation, and patients with spondylolisthesis

iris: Sepal and petal measurements for 3 species of iris plants

bmd: Relative changes in spinal bone mineral density measurements in adolescent males and females

heart: Study of coronary heart disease and its risk factors in middle-aged males

commute: Departure and arrival times for Dr. Breheny's evening commute in Summer/Fall 2010

faithful: Duration of eruption and waiting time until next eruption for the Old Faithful geyser at Yellowstone National Park

nhanes: Data for adult women from the 2006 NHANES study on the serum levels of three variables: triglycerides (TRG), LDL cholesterol, and apolipoprotein B (APB)

shs: Measurements of cotinine and self-reported second-hand smoke exposure in children

druguse: Survey of drug use by Los Angeles adolescents

bodyfat: Body measurements and body fat percentage in 20 women, aged 24-34

tukey: Grayscale image of the face of John Tukey (R)

phones: Belgian phone calls, 1950-1973

hills: Winning times, distance, and climb for 1984 Scottish hill races

testscores: Students' test scores on 5 quantitative subjects (mechanics, vectors, algebra, analysis, and statistics)

tailgating: A study of the relationship between tailgating and drug use