title: No QUARTER() in DAX? Really?
body: <p>While building a Calendar table with PowerQuery for a PowerPivot model in Excel 2013 I use its <a href="https://msdn.microsoft.com/en-us/library/mt253453" rel="noreferrer">Date.QuarterOfYear</a> function to get the number of the quarter. </p>
  
  <p>Building the same thing in SSAS Tabular requires some workarounds. There's no equivalent DAX function to get number of the quarter from a DATE. Strangely, DAX has YEAR() and MONTH(), but no QUARTER().</p>
  
  <p>Are nested <code>IF</code> or <code>SWITCH</code> statements really the only way in DAX to get the quarter number?</p>
  
  <p>What is the reason for the absence such a simple and useful function? Am I overlooking the supreme wisdom of this decision?</p>