The Mroz data frame has 753 rows and 8 columns. The observations, from the Panel Study of Income Dynamics (PSID), are married women.
MrozA data frame with 753 rows and 8 variables
Labor-force participation
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.
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.