({. , #)/.~ 1 2 3 3 4
1 1
2 1
3 2
4 1

Backed by special code:
http://www.jsoftware.com/docs/help701/dictionary/special.htm


On Wed, Oct 12, 2011 at 10:37 AM, Henry Rich <henryhr...@nc.rr.com> wrote:
>    (~. ,. #/.~) 1 2 3 3 4
> 1 1
> 2 1
> 3 2
> 4 1
>
>
> Backed by special code.
>
> Henry Rich
>
> On 10/11/2011 5:33 PM, David Vaughan wrote:
>> How could I count occurrences of the same number in a sorted list?
>>
>> e.g. list =. 1 2 3 3 4
>> 1 1
>> 2 1
>> 3 2
>> 4 1
>>
>> or something along those lines.
>>
>> Thanks.
>> ----------------------------------------------------------------------
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>>
> ----------------------------------------------------------------------
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