On this R-data statistics page, you will find information about the Backpack data set which pertains to Backpack. The Backpack data set is found in the Stat2Data R package. You can load the Backpack data set in R by issuing the following command at the console data("Backpack"). This will load the data into a variable called Backpack. If R says the Backpack data set is not found, you can try installing the package by issuing this command install.packages("Stat2Data") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the Backpack R data set. The size of this file is about 4,235 bytes.

Backpack

Description

Backpack weights for a sample of college students

Format

A dataset with 100 observations on the following 9 variables.

R project statistics dataset table

BackpackWeight	Backpack weight (in pounds)
BodyWeight	Body weight (in pounds)
Ratio	BackpackWeight/BodyWeight
BackProblems	0=no or 1=yes
Major	Code for academic major
Year	Year in school
Sex	a factor with levels Female Male
Status	Graduate or undergraduate? G or U
Units	Number of credits taken that quarter

Details

A survey of students at California Polytechnic State University (San Luis Obispo) collected data to investigate the question of whether back aches might be due to carrying heavy backpacks,

Source

Mintz J., Mintz J., Moore K., and Schuh K., "Oh, My Aching Back! A Statistical Analysis of Backpack Weights," Stats: The Magazine for Students of Statistics, vol. 32, 2002, pp. 1719.

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Dataset imported from https://www.r-project.org.