wright {ISwR}

Comparison of Wright peak-flow meters

Description

The wright data frame has 17 rows and 2 columns. It contains data on peak expiratory flow rate with two different flow meters on each of 17 subjects.

Usage

wright

Format

This data frame contains the following columns:

std.wright

a numeric vector, data from large flow meter (l/min).

mini.wright

a numeric vector, data from mini flow meter (l/min).

Source

J.M. Bland and D.G. Altman (1986), Statistical methods for assessing agreement between two methods of clinical measurement, Lancet, 1:307–310.

Examples

plot(wright)
abline(0,1)