On this Picostat.com statistics page, you will find information about the Mandel data set which pertains to Contrived Collinear Data. The Mandel data set is found in the car R package. You can load the Mandel data set in R by issuing the following command at the console data("Mandel"). This will load the data into a variable called Mandel. If R says the Mandel 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 Mandel R data set. The size of this file is about 153 bytes.
Contrived Collinear Data
Mandel data frame has 8 rows and 3 columns.
This data frame contains the following columns:
Mandel, J. (1982)
Use of the singular value decomposition in regression analysis.
The American Statistician 36, 15–24.
Fox, J. (2008)
Applied Regression Analysis and Generalized Linear Models,
Second Edition. Sage.
Dataset imported from https://www.r-project.org.