R Dataset / Package wooldridge / voucher

On this R-data statistics page, you will find information about the voucher data set which pertains to voucher. The voucher data set is found in the wooldridge R package. You can load the voucher data set in R by issuing the following command at the console data("voucher"). This will load the data into a variable called voucher. If R says the voucher data set is not found, you can try installing the package by issuing this command install.packages("wooldridge") 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 voucher R data set. The size of this file is about 44,092 bytes.

voucher

Description

Data loads lazily. Type data(voucher) into the console.

Usage

data(voucher)

Format

A data.frame with 990 rows and 19 variables:

  • studyid. student identifier

  • black. = 1 if African-American

  • hispanic. = 1 if Hispanic

  • female. = 1 if female

  • appyear. year of first application: 90 to 93

  • mnce. math NCE test score, 1994

  • select. = 1 if ever selected to attend choice school

  • choice. = 1 if attending choice school, 1994

  • selectyrs. years selected to attend choice school

  • choiceyrs. years attended choice school

  • mnce90. mnce in 1990

  • selectyrs1. = 1 if selectyrs == 1

  • selectyrs2. = 1 if selectyrs == 2

  • selectyrs3. = 1 if selectyrs == 3

  • selectyrs4. = 1 if selectyrs == 4

  • choiceyrs1. = 1 if choiceyrs == 1

  • choiceyrs2. = 1 if choiceyrs == 2

  • choiceyrs3. = 1 if choiceyrs == 3

  • choiceyrs4. = 1 if choiceyrs == 4

Source

https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&product_isbn_issn=9781111531041

Examples

 str(voucher)

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

Attachments: csv, json

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