Mroz data frame has 753 rows and 8 columns. The observations, from the Panel Study of Income Dynamics (PSID), are married women.
A data frame with 753 rows and 8 variables
Number of children 5 years old or younger
Number of children 6 to 17 years old
Age in years
Wife attended college
Husband attended college
Log expected wage rate. For women in the labor force, the actual wage rate; for women not in the labor force, an imputed value based on the regression of lwg on the other variables.
Family income exclusive of wife's income
This data set is a lightly edited version of the one found in the carData package in R. It is used in the Describing Relationships chapter of The Effect.
Mroz, T. A. (1987) The sensitivity of an empirical model of married women's hours of work to economic and statistical assumptions. *Econometrica* 55, 765–799.
John Fox, Sanford Weisberg and Brad Price (2020). carData: Companion to Applied Regression Data Sets. R package version 3.0-4. https://CRAN.R-project.org/package=carData
Fox, J. (2016) *Applied Regression Analysis and Generalized Linear Models,* Third Edition. Sage.
Fox, J. (2000) *Multiple and Generalized Nonparametric Regression.* Sage.
Fox, J. and Weisberg, S. (2019) *An R Companion to Applied Regression.* Third Edition, Sage.
Long. J. S. (1997) *Regression Models for Categorical and Limited Dependent Variables.* Sage.
Huntington-Klein. 2021. The Effect: An Introduction to Research Design and Causality. https://theeffectbook.net.