hooker: Hooker's data

In alr4: Data to Accompany Applied Linear Regression 4th Edition

Description

In his original paper, Forbes provided additional data collected by the botanist Dr. Joseph Hooker on temperatures and boiling points measured often at higher altitudes in the Himalaya Mountains.

Format

This data frame contains the following columns:

bp

Measured boiling temperature, degrees F.

pres

Measured air pressure, inches of Mercury.

lpres

100 times pres rounded to two decimals.

Source

Forbes, J. (1957). Further experiments and remarks on the measurement of heights by boiling point of water. Transactions of the Royal Society of Edinburgh, 21, 235-243.

References

Weisberg, S. (2014). Applied Linear Regression, 4th edition. Hoboken NJ: Wiley.

Examples

head(Hooker)

Example output

Loading required package: car
Loading required package: carData
Loading required package: effects
lattice theme set by effectsTheme()
See ?effectsTheme for details.
     bp   pres    lpres
1 210.8 29.211 146.5546
2 210.2 28.559 145.5743
3 208.4 27.972 144.6724
4 202.5 24.697 139.2644
5 200.6 23.726 137.5225
6 200.1 23.369 136.8640

alr4 documentation built on May 2, 2019, 2:13 p.m.