R Dataset / Package DAAG / ironslag

On this R-data statistics page, you will find information about the ironslag data set which pertains to Iron Content Measurements. The ironslag data set is found in the DAAG R package. You can load the ironslag data set in R by issuing the following command at the console data("ironslag"). This will load the data into a variable called ironslag. If R says the ironslag 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 with the library() command. 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 ironslag R data set. The size of this file is about 340 bytes.

Iron Content Measurements

Description

The ironslag data frame has 53 rows and 2 columns. Two methods for measuring the iron content in samples of slag were compared, a chemical and a magnetic method. The chemical method requires greater effort than the magnetic method.

Usage

ironslag

Format

This data frame contains the following columns:

chemical: a numeric vector containing the measurements coming from the chemical method
magnetic: a numeric vector containing the measurments coming from the magnetic method

Source

Hand, D.J., Daly, F., McConway, K., Lunn, D., and Ostrowski, E. eds (1993) A Handbook of Small Data Sets. London: Chapman & Hall.

Examples

iron.lm <- lm(chemical ~ magnetic, data = ironslag)
oldpar <- par(mfrow = c(2,2))
plot(iron.lm)
par(oldpar)

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

Attachments: csv, json

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