bears: bears: Bear's Weight and Other Measurements

In thoree/stat340: Data and functions for BIAS at NMBU

bears: Bear's Weight and Other Measurements

Description

This data set contains data from a subset of the original data set bears supplied by Gary Alt. These data were collected in the interest of estimating the weight of a bear based on other measurements of the bear.

Usage

bears

Format

A data frame with 24 observations (rows) and 12 variables (columns).

	Column name	Data type	Description	Values
[,1]	ID	integer	Identification number	(1 - 24)
[,2]	Weight	integer	The weight of the bear in pounds	(20 - 255)
[,3]	Length	integer	The length of the bear in inches	(91 - 187)
[,4]	Age	integer	The bear's age in month	(8 - 177)
[,5]	Month	integer	The month the measurement was made (4 = April)	(4 - 9)
[,6]	Head.L	integer	Length of the head in inches	(23 - 43)
[,7]	Head.W	integer	Width of the head in inches	(11 - 25)
[,8]	Neck.G	integer	Girth (distance around) the neck in inches	(27 - 80)
[,9]	Chest.G	integer	Girth (distance around) the chest in inches	(48 - 137)
[,10]	Sex	factor	The bear's gender: F = female, M = male	(F, M)
[,11]	Group	integer	6 different groups	(1 - 6)
[,12]	Sim	numeric		(1.793 - 5.534)

References

The bears data, supplied by Gary Alt., was referenced in Reader's Digest (April 1979) and Sports Afield (September 1981).

Examples

# Linear model
res <- lm(Weight ~ Length + I(Length^2), data = bears)

# Box plot of weight based on gender
boxplot(Weight ~ Sex, data = bears)

thoree/stat340 documentation built on June 30, 2024, 4:04 p.m.