nlsySample: Baseline socioeconomic information and BMI of 100...
In splinetree: Longitudinal Regression Trees and Forests

Description Usage Format Source

A dataset containing the body mass index (BMI) and baseline socioeconomic information of 100 individuals from the National Longitudinal Survey of Youth 1979 (NLSY), a freely available longitudinal dataset. The 1000 individuals were drawn randomly from among all NLSY respondents with at least 10 non-missing height/weight responses spread out over at least 20 years. This dataset is used in the package vignettes and code examples. Only a small subset of the variables available from the NLSY are included here. See https://www.bls.gov/nls/nlsy79.htm for more

1	nlsySample

A data frame with 16126 rows and 34 columns.

ID: Unique identifier for each NLSY respondent
SEX: Respondent's sex. 1 denotes male, 2 denotes female.
AGE: Respondent's age
BLACK: Indicator for whether or not respondent's identified as Black
BMI: Respondent's body mass index - calculated from reported height and weight
HGC_FATHER: Highest grade completed by respondent's father
HGC_MOTHER: Highest grade completed by respondent's mother
HISP: Indicator for whether or not respondent's race identified as Hispanic
Num_sibs: Number of siblings of respondent
WHITE: Indicator for whether or not respondent identified as white.
HGC: Highest grade completed by respondent
Age_first_smoke: Age that respondent reported first using tobacco. If they reported never using tobacco, recorded as 100.
Age_first_alc: Age that respondent reported first drinking alcohol. If they reported never drinking alcohol, recorded as 100.
RACE: Race, as recorded by NLSY. 1 denotes Hispanic, 2 denotes Black, 3 denotes White.