kid.weights {UsingR} | R Documentation

## Weight and height measurement for a sample of U.S. children

### Description

A sample from the data presented in the NHANES III survey (http://www.cdc.gov/nchs/nhanes.htm). This survey is used to form the CDC Growth Charts (http://www.cdc.gov/growthcharts) for children.

### Usage

    data(kid.weights)

### Format

A data frame with 250 observations on the following 4 variables.

age
  Age in months
weight
  weight in pounds
height
  height in inches
gender
  Male of Female

### Source

This data is extracted from the NHANES III survey: http://www.cdc.gov/nchs/nhanes.htm.

### Examples

    data(kid.weights)
    attach(kid.weights)
    plot(weight,height,pch=as.character(gender))
    ## find the BMI -- body mass index
    m.ht = height*2.54/100        # 2.54 cm per inch
    m.wt = weight / 2.2046        # 2.2046 lbs. per kg
    bmi = m.wt/m.ht^2
    hist(bmi)

[Package UsingR version 0.1-4 Index]