fev {evidence}

Data on lung capacity of 654 children and adolescents.

Description

These data come from Rosner (2006), and represent forced expiratory volume (FEV) in l/s and several covariates.

Usage

data(fev)

Format

A data frame with 654 observations on the following 6 variables:

Id

an identification code

Age

age in years

FEV

forced expiratory volume in l/s

Hgt

height in inches

Sex

gender: 0 for female, 1 for male

Smoke

smokes (1) or not (0)

Source

Rosner, B. 2006. Fundamentals of Biostatistics. 6th ed. Duxbury Press.

Examples

data(fev)
splom(fev[c(3, 2, 4, 5, 6)], main="fev data")