This suggests the verb

   2.5 5 7.5 #/.~@:I. 1 3 3 3 4 7 7 8 8 9
1 4 2 3

but there is a problem: if an interval has no members, it doesn't show as 0, but instead is omitted:

   0.5 2.5 5 7.5 #/.~@:I. 1 3 3 3 4 7 7 8 8 9
1 4 2 3

to make sure every interval has a corresponding count, use

   0.5 2.5 5 7.5 <:@:(#/.~)@:(i.@>:@#@[ , I.) 1 3 3 3 4 7 7 8 8 9
0 1 4 2 3

Henry Rich


On 5/8/2016 7:27 AM, bill lam wrote:
     #/.~ 2.5 5 7.5 I. 1 3 3 3 4 7 7 8 8 9
1 4 2 3


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