irst use for DAGs was to visualize the connections between the variables in a <em>simulation</em>.</p>
<p>This Lesson covers an important application for DAGs when building useful models with data: DAGs can help us choose covariates for models in a way that respects what we want to find out about a particular causal connection between an explanatory variable and the response variable.</p>
<p>As you saw in Lessons <a href="L14-Simulation.html" class="quarto-xref"><span>14</span></a> and <a href="L23-DAGs.htm