R Dataset / Package DAAG / roller


On this R-data statistics page, you will find information about the roller data set which pertains to Lawn Roller Data. The roller data set is found in the DAAG R package. You can load the roller data set in R by issuing the following command at the console data("roller"). This will load the data into a variable called roller. If R says the roller data set is not found, you can try installing the package by issuing this command install.packages("DAAG") 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 roller R data set. The size of this file is about 89 bytes.

Lawn Roller Data


The roller data frame has 10 rows and 2 columns. Different weights of roller were rolled over different parts of a lawn, and the depression was recorded.




This data frame contains the following columns:


a numeric vector consisting of the roller weights


the depth of the depression made in the grass under the roller


Stewart, K.M., Van Toor, R.F., Crosbie, S.F. 1988. Control of grass grub (Coleoptera: Scarabaeidae) with rollers of different design. N.Z. Journal of Experimental Agriculture 16: 141-150.


roller.lm <- lm(depression ~ weight, data = roller)
plot(roller.lm, which = 4)

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

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Attachment Size
dataset-97560.csv 89 bytes
Dataset License
GNU General Public License v2.0
Documentation License
GNU General Public License v2.0

This documentation is licensed under GPLv3 or later.