Could they be counting duplicates? $ ~. (#~(-:|.)&>) 'abccdadba'<@:#"1~ }. #: i.2^9
29 $ (#~(-:|.)&>) 'abccdadba'<@:#"1~ }. #: i.2^9 50 On Thu, Jan 10, 2013 at 11:39 AM, Roger Hui <[email protected]>wrote: > $ ~. (#~(-:|.)&>) 'abccdadba'<@:#"1~ }. #: i.2^9 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
