A subset of data from the National Health and Nutrition Examination Survey

nhanes

Format

A data.frame with 339 observations and 10 variables

Variable	Definition
cid	Unique child identifier
sex	Sex of child. 1 = male; 2 = female
agemos	Age in months
weight	Weight in kilograms
height	Height in centimetres
headcir	Head circumference in centimetres
waz	Weight-for-age z-score
bmiz	BMI-for-age z-score

Examples

head(nhanes)
#>     cid sex agemos weight height headcir        waz       bmiz
#> 1 51755   1     18   12.1   80.1      NA  0.2996904         NA
#> 2 51840   1     25   13.3   89.1      NA  0.3444667 0.17267724
#> 3 51962   2      2    4.5   56.6    38.8 -0.6132758         NA
#> 4 52066   2      8    9.5   72.5      NA  1.4358921         NA
#> 5 52089   1     32   14.2   93.6      NA  0.2803484 0.02069642
#> 6 52300   1      2    6.9   63.4    41.9  2.2748948         NA