 <span class="dv">15</span>, <span class="dv">20</span>)]) <span class="sc">+</span> <span class="fu">rnorm</span>(n)</span></code></pre></div>
<p>First, you have to convert your data to a proper format, an object of
class <code>big</code>. It can be done using the function
<code>prepare_data</code>. In most cases you will only need to specify a
vector of responses, <code>y</code>, and a matrix of predictors,
<code>X</code>.</p>
<div class="sourceCode" id="cb2"><pre class="sourceCode r"><code class="sourceC