nal randomized heart transplant study</h2>

<h3>Description</h3>

<p><code>greek_data</code> is a fictional data set from Table 2.2 in Chapter 2 of Causal Inference. From the book: &quot;Table 2.2 shows the data from our heart transplant randomized study. Besides data on treatment A (1 if the individual received a transplant, 0 otherwise) and outcome Y (1 if the individual died, 0 otherwise), Table 2.2 also contains data on the prognostic factor L (1 if the individual was in critical condition, 0 otherwise)