gpa {AICcmodavg} | R Documentation |

## GPA Data and Standardized Test Scores

### Description

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

### Usage

`data(gpa)`

### Format

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.

### Details

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

### Source

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.

### Examples

```
data(gpa)
str(gpa)
```

[Package

*AICcmodavg*version 2.3-3 Index]