This dataset is a small subset of nhanes3_newborn. It is for demonstration purposes only. More information on NHANES III data can be found on https://wwwn.cdc.gov/Nchs/Data/Nhanes3/7a/doc/mimodels.pdf
data(nhanes3)A data frame of 500 rows and 6 variables. Three variables have missing values.
Age at interview (screener) - qty (months). An integer variable from 2 to 11.
Sex. A factor variable with levels 1 (Male) and 2 (Female).
Race-ethnicity. A factor variable with levels 1 (Non-Hispanic white), 2 (Non-Hispanic black), 3 (Mexican-American) and 4 (Other).
Head circumference (cm). Numeric.
Recumbent length (cm). Numeric.
Weight (kg). Numeric.
U.S. Department of Health and Human Services (DHHS). National Center for Health Statistics. Third National Health and Nutrition Examination Survey (NHANES III, 1988-1994): Multiply Imputed Data Set. CD-ROM, Series 11, No. 7A. Hyattsville, MD: Centers for Disease Control and Prevention, 2001. Includes access software: Adobe Systems, Inc. Acrobat Reader version 4.