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Counts of grizzly bear (Ursus arctos) litter sizes from the Greater Yellowstone Ecosystem from 1973-2010.
data(bear)
A data frame with 38 observations on the following 5 variables.
Year
Year.
X1.cub
The number of litters with one cub.
X2.cub
The number of litters with two cubs.
X3.cub
The number of litters with three cubs.
X4.cub
The number of litters with four cubs.