R Dataset / Package MASS / chem

Documentation

On this R-data statistics page, you will find information about the chem data set which pertains to Copper in Wholemeal Flour. The chem data set is found in the MASS R package. You can load the chem data set in R by issuing the following command at the console data("chem"). This will load the data into a variable called chem. If R says the chem 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 chem R data set. The size of this file is about 107 bytes.


Copper in Wholemeal Flour

Description

A numeric vector of 24 determinations of copper in wholemeal flour, in parts per million.

Usage

chem

Source

Analytical Methods Committee (1989) Robust statistics – how not to reject outliers. The Analyst 114, 1693–1702.

References

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

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

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Attachment Size
dataset-16831.csv 107 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.