found in the <em>carData</em> package in R. It is used in the Describing Relationships chapter of <em>The Effect</em>.
</p>


<h3>Source</h3>

<p>Mroz, T. A. (1987) The sensitivity of an empirical model of married women's hours of work to economic and statistical assumptions. *Econometrica* 55, 765â€“799.
</p>
<p>John Fox, Sanford Weisberg and Brad Price (2020). carData: Companion to Applied Regression Data Sets. R package version 3.0-4. <a href="https://CRAN.R-project.org/package=carData">https://CRAN