Clustering Index   <<   >>

 

   x ← 3 2 ⍴  4,(5×1+⎕ct),  4 9,  (4×1+⎕ct),5

   {⎕pp←16 ⋄ ⍕⍵} x
4                5.00000000000005
4                9               
4.00000000000004 5