rmat"><a class="anchor" href="#format"></a>Format</h2>

    <p>A tsibble contains 97,087 rows and 15 variables:</p>
<p>#'</p><dl>
<dt>id</dt><dd><p>A unique individual's ID number. This is the <code>key</code> of the data.</p></dd>
<dt>year</dt><dd><p>The year the observation was taken. This could be the <code>index</code> of the data.</p></dd>
<dt>wage</dt><dd><p>The mean of the hourly wages the individual gets at
each of their different jobs. The value could be a
weighted or an arithmetic mean. The weight