R Dataset / Package wooldridge / mathpnl

Documentation

On this Picostat.com statistics page, you will find information about the mathpnl data set which pertains to mathpnl. The mathpnl data set is found in the wooldridge R package. You can load the mathpnl data set in R by issuing the following command at the console data("mathpnl"). This will load the data into a variable called mathpnl. If R says the mathpnl 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. 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 mathpnl R data set. The size of this file is about 1,974,592 bytes.


mathpnl

Description

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

Usage

data(mathpnl)

Format

A data.frame with 3850 rows and 52 variables:

  • distid. district identifier

  • intid. intermediate school district

  • lunch. percent eligible for free lunch

  • enrol. school enrollment

  • ptr. pupil/teacher: 1995-98

  • found. foundation grant, $: 1995-98

  • expp. expenditure per pupil

  • revpp. revenue per pupil

  • avgsal. average teacher salary

  • drop. high school dropout rate, percent

  • grad. high school grad. rate, percent

  • math4. percent satisfactory, 4th grade math

  • math7. percent satisfactory, 7th grade math

  • choice. number choice students

  • psa. # public school academy studs.

  • year. 1992-1998

  • staff. staff per 1000 students

  • avgben. avg teacher fringe benefits

  • y92. =1 if year == 1992

  • y93. =1 if year == 1993

  • y94. =1 if year == 1994

  • y95. =1 if year == 1995

  • y96. =1 if year == 1996

  • y97. =1 if year == 1997

  • y98. =1 if year == 1998

  • lexpp. log(expp)

  • lfound. log(found)

  • lexpp_1. lexpp[_n-1]

  • lfnd_1. lfnd[_n-1]

  • lenrol. log(enrol)

  • lenrolsq. lenrol^2

  • lunchsq. lunch^2

  • lfndsq. lfnd^2

  • math4_1. math4[_n-1]

  • cmath4. math4 - math4_1

  • gexpp. lexpp - lexpp_1

  • gexpp_1. gexpp[_n-1

  • gfound. lfound - lfnd_1

  • gfnd_1. gfound[_n-1]

  • clunch. lunch - lunch[_n-1]

  • clnchsq. lunchsq - lunchsq[_n-1]

  • genrol. lenrol - lenrol[_n-1]

  • genrolsq. genrol^2

  • expp92. expp in 1992

  • lexpp92. log(expp92)

  • math4_92. math4 in 1992

  • cpi. consumer price index

  • rexpp. real spending per pupil, 1997$

  • lrexpp. log(rexpp)

  • lrexpp_1. lrexpp[_n-1]

  • grexpp. lrexpp - lrexpp_1

  • grexpp_1. grexpp[_n-1]

Source

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

Examples

 str(mathpnl)
--

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

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R Dataset / Package Ecdat / Wages1 March 9, 2018 - 1:06 PM Dataset
Attachment Size
dataset-76230.csv 1.88 MB
Dataset License
GNU General Public License v2.0
Documentation License
GNU General Public License v2.0