title: Hide first yaxis label
body: <p>I need to hide the label -200 in yaxis, is there any way to hide the first yaxis label?
  So the yaxis label result will be [empty] ,0, 200, 400, 600, 800</p>
  
  <p><img src="https://i.stack.imgur.com/NAM43.png" alt="enter image description here"></p>