On this Picostat.com statistics page, you will find information about the Quartet data set which pertains to Four Regression Datasets. The Quartet data set is found in the car R package. You can load the Quartet data set in R by issuing the following command at the console data("Quartet"). This will load the data into a variable called Quartet. If R says the Quartet data set is not found, you can try installing the package by issuing this command install.packages("car") 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 Quartet R data set. The size of this file is about 299 bytes.

Four Regression Datasets

Description

The Quartet data frame has 11 rows and 5 columns. These are contrived data.

Usage

Quartet

Format

This data frame contains the following columns:

x

X-values for datasets 1–3.

y1

Y-values for dataset 1.

y2

Y-values for dataset 2.

y3

Y-values for dataset 3.

x4

X-values for dataset 4.

y4

Y-values for dataset 4.

Source

Anscombe, F. J. (1973) Graphs in statistical analysis. American Statistician 27, 17–21.

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