
example, to do computations with the "true" \(g\) in simulations). If
<code>g_init</code> is specified but <code>fix_g = FALSE</code>, <code>g_init</code>
specifies the initial value of \(g\) used during optimization. This has
the side effect of fixing the <code>mode</code> and <code>scale</code> parameters. When
supplied, <code>g_init</code> should be an object of class
<code><a href="https://rdrr.io/pkg/ashr/man/unimix.html" class="external-link">unimix</a></code> or an <code>ebnm</code> object in which 