R Dataset / Package wooldridge / big9salary
On this R-data statistics page, you will find information about the big9salary data set which pertains to big9salary. The big9salary data set is found in the wooldridge R package. You can load the big9salary data set in R by issuing the following command at the console data("big9salary"). This will load the data into a variable called big9salary. If R says the big9salary 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 big9salary R data set. The size of this file is about 102,147 bytes.
big9salary
Description
Data loads lazily. Type data(big9salary) into the console.
Usage
data(big9salary)
Format
A data.frame with 786 rows and 30 variables:
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id. person identifier
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year. 92, 95, or 99
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salary. annual salary, $
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pubindx. publication index
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totpge. standardized total article pages
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assist. =1 if assistant professor
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assoc. =1 if associate professor
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prof. =1 if full professor
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chair. =1 if department chair
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top20phd. =1 if Ph.D. from top 20 dept.
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yearphd. year Ph.D. obtained
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female. =1 if female
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osu. =1 if Ohio State U.
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iowa. =1 if U. Iowa
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indiana. =1 if Indiana U.
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purdue. =1 if Purdue U.
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msu. =1 if Michigan State U.
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minn. =1 if U. Minnesota
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mich. =1 if U. Michigan
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wisc. =1 if U. Wisconsin
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illinois. =1 if U. Illinois
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y92. =1 if year == 92
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y95. =1 if year == 95
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y99. =1 if year == 99
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lsalary. log(salary)
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exper. years since first teaching job
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expersq. exper^2
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pubindxsq. pubindx^2
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pubindx0. =1 if pubindx == 0
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lpubindx. log(pubindx) if pubindx > 0
Source
https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&product_isbn_issn=9781111531041
Examples
str(big9salary)
Dataset imported from https://www.r-project.org.