The National Longitudinal Study of Adolescent to Adult Health (Add Health) is a longitudinal study of a nationally representative sample of adolescents in grades 7-12 in the United States during the 1994-95 school year.
addhealth_public4
A data frame with 6504 observations on 976 variables
http://www.cpc.unc.edu/projects/addhealth
See the code books in the CodeBooks folder for details.
The CodeBooks folder is a top level folder of the PDS package. To see where the PDS package is
installed on your machine, type the following at the R prompt: system.file(package = "PDS")
dim(addhealth_public4)#> [1] 6504 976