R Dataset / Package Ecdat / Star

On this R-data statistics page, you will find information about the Star data set which pertains to Effects on Learning of Small Class Sizes . The Star data set is found in the Ecdat R package. You can load the Star data set in R by issuing the following command at the console data("Star"). This will load the data into a variable called Star. If R says the Star data set is not found, you can try installing the package by issuing this command install.packages("Ecdat") and then attempt to reload the data with the library() command. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the Star R data set. The size of this file is about 276,230 bytes.

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.

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