R Dataset / Package Ecdat / Star

Submitted by pmagunia on March 9, 2018 - 1:06 PM
Dataset License
GNU General Public License v2.0
Attachment Size
dataset-87072.csv 269.76 KB
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, chapter 11.

See Also

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

--

Dataset imported from https://www.r-project.org.

Documentation License
GNU General Public License v2.0

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