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.
YearYear.
X1.cubThe number of litters with one cub.
X2.cubThe number of litters with two cubs.
X3.cubThe number of litters with three cubs.
X4.cubThe number of litters with four cubs.