Star {Ecdat}R Documentation

Effects on Learning of Small Class Sizes

Description

a cross-section from 1985-89

number of observations : 5748

observation : individuals

country : United States

Usage

data(Star)

Format

A dataframe containing :

tmathssk
total math scaled score
treadssk
total reading scaled score
classk
type of class, a factor with levels (regular,small.class,regular.with.aide)
totexpk
years of total teaching experience
sex
a factor with levels (boy,girl)
freelunk
qualified for free lunch ?
race
a factor with levels (white,black,other)
schidkn
school indicator variable

Source

Project STAR http://www.heros-inc.org/star.htm.

References

Stock, James H. and Mark W. Watson (2003) Introduction to Econometrics, Addison-Wesley Educational Publishers, http://wps.aw.com/aw_stockwatsn_economtrcs_1, chapter 11.

See Also

Index.Source, Index.Economics, Index.Econometrics, Index.Observations


[Package Ecdat version 0.1-5 Index]