R Dataset / Package MASS / coop

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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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Numerical Summaries

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Plot

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Regression

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<iframe src="https://embed.picostat.com/r-dataset-package-mass-coop.html" frameBorder="0" width="100%" height="307px" />
Attachment Size
dataset-84618.csv 4.81 KB
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 coop data set which pertains to Co-operative Trial in Analytical Chemistry. The coop data set is found in the MASS R package. You can load the coop data set in R by issuing the following command at the console data("coop"). This will load the data into a variable called coop. If R says the coop data set is not found, you can try installing the package by issuing this command install.packages("MASS") 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 coop R data set. The size of this file is about 4,922 bytes.

Documentation

Co-operative Trial in Analytical Chemistry

Description

Seven specimens were sent to 6 laboratories in 3 separate batches and each analysed for Analyte. Each analysis was duplicated.

Usage

coop

Format

This data frame contains the following columns:

Lab

Laboratory, L1, L2, ..., L6.

Spc

Specimen, S1, S2, ..., S7.

Bat

Batch, B1, B2, B3 (nested within Spc/Lab),

Conc

Concentration of Analyte in g/kg.

Source

Analytical Methods Committee (1987) Recommendations for the conduct and interpretation of co-operative trials, The Analyst 112, 679–686.

References

Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.

See Also

chem, abbey.

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

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