Description Format Source References Examples

An artificial data set suggested by N. Mantel to illustrate stepwise regression methods.

A data frame with 5 observations on the following 4 variables.

- Y
the response

- X1
predictor 1

- X2
predictor 2

- X3
predictor 3

Mantel, N. (1970).
Why stepdown procedures in variable selection?
*Technometrics*, 12, 621–625.

Weisberg, S. (2005). *Applied Linear Regression*, 3rd edition. New York: Wiley, Problem 10.2.

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