R Dataset / Package wooldridge / jtrain

Submitted by pmagunia on March 9, 2018 - 1:06 PM
Dataset License
GNU General Public License v2.0
Attachment Size
dataset-28166.csv 89.4 KB
Documentation

jtrain

Description

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

Usage

data(jtrain)

Format

A data.frame with 471 rows and 30 variables:

  • year. 1987, 1988, or 1989

  • fcode. firm code number

  • employ. # employees at plant

  • sales. annual sales, $

  • avgsal. average employee salary

  • scrap. scrap rate (per 100 items)

  • rework. rework rate (per 100 items)

  • tothrs. total hours training

  • union. =1 if unionized

  • grant. = 1 if received grant

  • d89. = 1 if year = 1989

  • d88. = 1 if year = 1988

  • totrain. total employees trained

  • hrsemp. tothrs/totrain

  • lscrap. log(scrap)

  • lemploy. log(employ)

  • lsales. log(sales)

  • lrework. log(rework)

  • lhrsemp. log(1 + hrsemp)

  • lscrap_1. lagged lscrap; missing 1987

  • grant_1. lagged grant; assumed 0 in 1987

  • clscrap. lscrap - lscrap_1; year > 1987

  • cgrant. grant - grant_1

  • clemploy. lemploy - lemploy[_n-1]

  • clsales. lavgsal - lavgsal[_n-1]

  • lavgsal. log(avgsal)

  • clavgsal. lavgsal - lavgsal[_n-1]

  • cgrant_1. cgrant[_n-1]

  • chrsemp. hrsemp - hrsemp[_n-1]

  • clhrsemp. lhrsemp - lhrsemp[_n-1]

Source

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

Examples

 str(jtrain)
--

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

Documentation License
GNU General Public License v2.0

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