walleye {alr4} | R Documentation |
Walleye length at age
Description
These data give length and age for over 3000 walleye (a type of fish) captured in Butternut Lake, Wisconsin, in three periods with different management method in place.
Format
A data frame with 3198 observations on the following 3 variables.
- age
Age of the fish, years
- length
Length, mm
- period
1 = pre 1990, 2 = 1991-1996, 3=1997-2000
Source
Michelle LeBeau
References
Weisberg, S. (2014). Applied Linear Regression, 4th edition. Hoboken NJ: Wiley.
Examples
head(walleye)
[Package alr4 version 1.0.6 Index]