lakemary: Lake Mary bluegills

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

Description

78 bluegills were captured from Lake Mary, Minnesota. On each fish, a key scale was removed. The age of a fish is determined by counting the number of annular rings on the scale. The goal is to relate length at capture to the radius of the scale.

Format

This data frame contains the following columns:

Age

Years

Length

mm

Source

Collected by Richard Frie, and discussed in S. Weisberg (1986), A linear model approach to the backcalculation of fish length, J. Amer. Statist. Assoc., 81, 922-929.

References

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

Examples

head(lakemary)

Example output

Loading required package: car
Loading required package: effects
Loading required package: carData

Attaching package: 'carData'

The following objects are masked from 'package:car':

    Guyer, UN, Vocab

lattice theme set by effectsTheme()
See ?effectsTheme for details.
  Age Length
1   1     67
2   1     62
3   2    109
4   2     83
5   2     91
6   2     88

alr4 documentation built on May 2, 2019, 6:40 p.m.