R Dataset / Package DAAG / roller

How To Create a Barplot

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How To Create a Stacked Barplot

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How To Create a Pie Chart

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How To Compute the Mean

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How To Create a Plot

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How to Compute the Median

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Boxplot

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Correlation Coefficient

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Cumulative Frequency Histogram

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Dotplot

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Hollow Histogram

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Numerical Summaries

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Pie Chart

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Plot

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Regression

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Stem and Leaf Plots

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Visual Summaries

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Submitted by admin on March 9, 2018 - 1:06 PM
<iframe src="https://embed.picostat.com/r-dataset-package-daag-roller.html" frameBorder="0" width="100%" height="307px" />
Attachment Size
dataset-97560.csv 89 bytes
Dataset License
GNU General Public License v2.0
Documentation License
GNU General Public License v2.0
Dataset Help

On this Picostat.com 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.
Documentation

Lawn Roller Data

Description

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.

Usage

roller

Format

This data frame contains the following columns:

weight

a numeric vector consisting of the roller weights

depression

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

Source

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.

Examples

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

--

Dataset imported from https://www.r-project.org.
Curated Data File Size
OpenIntro Statistics Dataset - yrbss_samp 7.62 KB
OpenIntro Statistics Dataset - yrbss 1.03 MB
OpenIntro Statistics Dataset - yawn 861 bytes
OpenIntro Statistics Dataset - xom 4.95 KB
OpenIntro Statistics Dataset - winery_cars 489 bytes
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wage1 328 bytes
OpenIntro Statistics Dataset - yrbss_samp 7.62 KB
OpenIntro Statistics Dataset - yrbss 1.03 MB
OpenIntro Statistics Dataset - yawn 861 bytes
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