="format">
    <h2>Format</h2>
    <p>Time series data - 'ts' object</p>
    </div>
    <div id="source">
    <h2>Source</h2>
    <p>U.S. Bureau of Transportation Statistics, Natural Gas Consumption [NATURALGAS], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/NATURALGAS, January 7, 2018.</p>
    </div>

    <div id="ref-examples">
    <h2>Examples</h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span class="fu"><a href="ts_plot.