This data set features the first-year college GPA and four standardized tests conducted before matriculation.

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A data frame with 20 rows and 5 variables.

`gpa.y`

first-year GPA.

`sat.math.x1`

SAT math score.

`sat.verb.x2`

SAT verbal score.

`hs.math.x3`

high school math score.

`hs.engl.x4`

high school English score.

Burnham and Anderson (2002, p. 225) use this data set originally from Graybill and Iyer (1994) to show model selection for all subsets regression.

Burnham, K. P., Anderson, D. R. (2002) *Model Selection and
Multimodel Inference: a practical information-theoretic
approach*. Second edition. Springer: New York.

Graybill, F. A., Iyer, H. K. (1994) *Regression analysis: concepts
and applications.* Duxbury Press: Belmont.

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