nerve-pulse: Waiting times between pulses along a nerve fiber
lsat: Average LSAT scores and undergraduate GPAs for the incoming classes of 15 law schools
testscores: Students' test scores on 5 quantitative subjects (mechanics, vectors, algebra, analysis, and statistics)
driving: Following distances for illegal drug users and non-illegal drug users
cysticfibrosis: Reduction in forced vital capacity for cystic fibrosis patients
rounding: Blocked experiment studying various methods for rounding first base
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)
clouds: Precipitation measurements from 52 clouds, 26 of which were seeded with silver nitrate
heart: Case-control study of coronary heart disease and its risk factors
bmd: Relative changes in spinal bone mineral density measurements in adolescent males and females
motorcycle: Acceleration over time in an experiment studying the efficacy of motorcycle crash helmets
asthma: Data from a study of the relationship between childhood asthma and exposure to air pollution from concentrated animal feeding operations (CAFOs)
shs: Measurements of cotinine and self-reported second-hand smoke exposure in children
kyphosis: Results of laminectomy operations on children to correct for kyphosis