Vital capacity, full data set

Description

The vitcap2 data frame has 84 rows and 3 columns. Age and vital capacity for workers in the cadmium industry.

Usage

vitcap2

Format

This data frame contains the following columns:

group

a numeric vector; group codes are 1: exposed > 10 years, 2: exposed < 10 years, 3: not exposed.

age

a numeric vector, age in years.

vital.capacity

a numeric vector, vital capacity (a measure of lung volume) (l).

Source

P. Armitage and G. Berry (1987), Statistical Methods in Medical Research, 2nd ed., Blackwell, p.286.

Examples

plot(vital.capacity~age, pch=group, data=vitcap2)

Results

R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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> library(ISwR)
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/ISwR/vitcap2.Rd_%03d_medium.png", width=480, height=480)
> ### Name: vitcap2
> ### Title: Vital capacity, full data set
> ### Aliases: vitcap2
> ### Keywords: datasets
> 
> ### ** Examples
> 
> plot(vital.capacity~age, pch=group, data=vitcap2)
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>