pefr: Example data for matched pair analysis

Description Usage Format Source

Description

Comparison of peak expiratory flow rate (PEFR) before and after a walk on a cold winter's day for a random sample of 9 asthmatics. The peak expiratory flow rate measures how fast a person can breathe out (exhale) air. It is one of many tests that measures how well the lungs are working. Measured in liters/minute.

Usage

1

Format

A data frame (tibble) with 9 rows and 3 variables:

before

number: pefr in liters/minute before walking

after

number: pefr in liters/minute after walking

subject

factor: subject identifier

Source

Online in many places - seems to be a commonly used exemplar. Not sure what the original source is.


ryanraaum/qmdata documentation built on Dec. 22, 2021, 8:18 p.m.