Description Format Source References Examples
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.
A data frame with 3198 observations on the following 3 variables.
Age of the fish, years
Length, mm
1 = pre 1990, 2 = 1991-1996, 3=1997-2000
Michelle LeBeau
Weisberg, S. (2005). Applied Linear Regression, 3rd edition. New York: Wiley, Problem 11.3.
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