nhanes3: A small subset of the NHANES III (1988-1994) newborn data

In mixgb: Multiple Imputation Through 'XGBoost'

A small subset of the NHANES III (1988-1994) newborn data

Description

This dataset is a small subset of 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

Usage

data(nhanes3)

Format

A data frame of 500 rows and 6 variables. Three variables have missing values.

age_months

Age at interview (screener), in months. An integer variable ranging from 2 to 11. The original variable name in the NHANES III dataset is HSAGEIR.

sex

Sex of the subject. A factor variable with levels Male and Female. The original variable name in the NHANES III dataset is HSSEX.

ethnicity

Ethnicity of the subject. A factor variable with levels Mexican-American, Other Hispanic, and Not Hispanic. The original variable name in the NHANES III dataset is DMAETHNR.

head_circumference_cm

Head circumference, in centimetres. Numeric. The original variable name in the NHANES III dataset is BMPHEAD.

recumbent_length_cm

Recumbent length, in centimetres. Numeric. The original variable name in the NHANES III dataset is BMPRECUM.

weight_kg

Body weight, in kilograms. Numeric. The original variable name in the NHANES III dataset is BMPWT.

Source

https://wwwn.cdc.gov/nchs/nhanes/nhanes3/datafiles.aspx

References

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.

mixgb documentation built on Jan. 17, 2026, 5:07 p.m.