bminz {VGAM} | R Documentation

## Body Mass Index of New Zealand Adults Data

### Description

The body mass indexes and ages from an approximate random sample of 700 New Zealand adults.

### Usage

    data(bminz)

### Format

A data frame with 700 observations on the following 2 variables.

age
  a numeric vector; their age (years).
BMI
  a numeric vector; their body mass indexes, which is their weight divided by the square of their height (kg / m^2).

### Details

They are a random sample from the Fletcher Challenge/Auckland Heart and Health survey conducted in the early 1990s.

There are some outliers in the data set.

A variable `gender` would be useful, and may be added later.

### Source

Clinical Trials Research Unit, University of Auckland, New Zealand.

### References

MacMahon, S., Norton, R., Jackson, R., Mackie, M. J., Cheng, A., Vander Hoorn, S., Milne, A., McCulloch, A. (1995) Fletcher Challenge-University of Auckland Heart & Health Study: design and baseline findings. New Zealand Medical Journal, 108, 499–502.

### Examples

    ## Not run:
    with(bminz, plot(age, BMI, col="blue"))
    fit = vgam(BMI ~ s(age, df=c(2,4,2)), fam=lms.yjn, bminz, tr=TRUE)
    qtplot(fit, pcol="blue", tcol="brown", lcol="brown")
    ## End(Not run)

[Package VGAM version 0.7-9 Index]