ract of the United States. Data loads lazily.</p>
    </div>

    <div id="ref-usage">
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu"><a href="https://rdrr.io/r/utils/data.html" class="external-link">data</a></span><span class="op">(</span><span class="st">'mlb1'</span><span class="op">)</span></span></code></pre></div>
    </div>

    <div id="format">
    <h2>Format</h2>
    <p>A data.frame with 353 observations on 47 variables:</p><ul><li><p><strong>salary:</strong> 19