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. (2014). *Applied Linear Regression*, 4th
edition. Hoboken NJ: Wiley.

1 |

```
Loading required package: car
Loading required package: effects
Loading required package: carData
Attaching package: 'carData'
The following objects are masked from 'package:car':
Guyer, UN, Vocab
lattice theme set by effectsTheme()
See ?effectsTheme for details.
Y X1 X2 X3
1 5 1 1004 6.0
2 6 200 806 7.3
3 8 -50 1058 11.0
4 9 909 100 13.0
5 11 506 505 13.1
```

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