title: power bi: how to rotate vertically column names in matrix
body: <p>Would you help me, please, to rotate vertically column names in matrix in power bi like in the attached picture.</p>
  <p>Thank you.</p>
  <p><a href="https://i.stack.imgur.com/LwnO4.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/LwnO4.png" alt="example" /></a></p>