college.Rd
The 2008-09 nine-month academic salary for Assistant Professors, Associate Professors and Professors in a college in the U.S. The data were collected as part of the on-going effort of the college's administration to monitor salary differences between male and female faculty members.
college
a data frame with 397 observations of the following variables
rank
academic rank of the professor (assistant
, associate
or full
).
field
categorical variable indicating whether research field is applied
or theoretical
.
years
number of years since PhD
sex
binary indicator, zero for men (man
) and unity for women (woman
).
service
number of years of service in the college.
salary
nine-month income (in thousand USD).
Fox J. and Weisberg, S. (2019) An R Companion to Applied Regression, Third Edition, Sage.