A program that loads and parses some CSV data: Minnesota Wolf Depredation. Wolf depredations of livestock on Minnesota farms, 1976-1998.

References:

Fox, J. and Weisberg, S. (2019) An R Companion to Applied Regression, Third Edition, Sage.

Harper, Elizabeth K. and Paul, William J. and Mech, L. David and Weisberg, Sanford (2008), Effectiveness of Lethal, Directed Wolf-Depredation Control in Minnesota, Journal of Wildlife Management, 72, 3, 778-784. http://dx.doi.org/10.2193/2007-273

Variables:

• longitude: longitude of the farm

• latitude: latitude of the farm

• number: number of depredations 1976-1998

• early: number of depredations 1991 or before

• late: number of depredations 1992 or later