title: Reorder of Clusters Indicies of K-Means Clustering in Matlab
body: <p>I am using K-means Clustering.
  It sometimes creates empty groups but I still wish that the group be in order.</p>
  
  <pre><code> idx=kmeans(atranspose,m,'EmptyAction','drop');
   ids=unique(idx)
  &gt;&gt; ids
  
  ids =
  
       1
       3
       4
       5
       6
       7
       8
       9
      10
      11
      12
      13
      14
      15
      16
      17
      18
      19
      21
      22
      23
      24
      25
      26
      27
      28
      29
      30
      31
      32
      33
      34
      35
      36
      37
      38
      39
      40
      41
      42
      43
      44
      45
      46
      47
      48
      49
      50
  </code></pre>
  
  <p>I don't want 2 and 20 to be missing, instead ordered from 1 to 48. Is it possible?</p>