addhealth_public4
Adolescent to Adult Health (Wave 4)
AddHealth
Adolescent to Adult Health (Wave I)
frustration
Frustation by Academic Major
gapminder
Country level statistics
marscrater_pds
Mars Craters
NESARC
National Epidemiologic Survey on Alcohol and Related Conditions
OOL
Outlook On Life Survey
PDS-package
The PDS Package
signdist
Sign Distance