title: Error in dax formula
body: <p>i'm new to dax. im trying to sum the amount of fatalities per year.
  My formula:</p>
  
  <pre><code>= SUMMARIZE (
      'TableCrash',
      'TableCrash'[Year],
      "Fatal", SUM ( 'TableCrash'[Fatalities] )
  )
  </code></pre>
  
  <p>-
  example:</p>
  
  <pre><code>SUMMARIZE(&lt;table&gt;, &lt;groupBy_columnName&gt;[, &lt;groupBy_columnName&gt;]…[, &lt;name&gt;, &lt;expression&gt;]…)
  </code></pre>
  
  <p><a href="https://msdn.microsoft.com/en-us/library/gg492171.aspx" rel="nofollow">Source</a></p>