landrent: Land rent

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

Description

The data were collected by Douglas Tiffany to study the variation in rent paid in 1977 for agricultural land planted to alfalfa.

Format

This data frame contains the following columns:

X1

average rent for all tillable land

X2

density of dairy cows (number per square mile)

X3

proportion of farmland used for pasture

X4

1 if liming required to grow alfalfa; 0 otherwise

Y

average rent per acre planted to alfalfa

Source

Douglas Tiffany

References

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

Examples

head(landrent)

Example output

Loading required package: car
Loading required package: carData
Loading required package: effects
lattice theme set by effectsTheme()
See ?effectsTheme for details.
     X1    X2   X3 X4     Y
1 15.50 17.25 0.24  0 18.38
2 22.29 18.51 0.20  1 20.00
3 12.36 11.13 0.12  0 11.50
4 31.84  5.54 0.12  1 25.00
5 83.90  5.44 0.04  0 52.50
6 72.25 20.37 0.05  1 82.50

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