Thanks, John. It is exactly what I need.
-----Original Message----- From: John Benediktsson [mailto:[email protected]] Sent: Tuesday, January 04, 2011 12:03 PM To: [email protected] Subject: Re: [Factor-talk] Count repetition in sequence Try: ( scratchpad ) USE: math.statistics ( scratchpad ) { "a" "a" "a" "cc" "cc" "def" } histogram . H{ { "cc" 2 } { "a" 3 } { "def" 1 } } 2011/1/3 Steve Tsai 蔡福安 <[email protected]>: > I want to define a word that can count the number of repetition of elements > in a sorted sequence. > > For example > > Input: { “a” “a” “a” “cc” “cc” “def” } > > Output: { { “a” 3 } { “cc” 2 } { “def” 1 } } > > > > Can anyone guide me on it? > > > > Thanks, > > Steve Tsai > NOTICE: This email message is for the sole use of the intended recipient(s) and may contain confidential and privileged information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply email and destroy all copies of the original message. ------------------------------------------------------------------------------ Learn how Oracle Real Application Clusters (RAC) One Node allows customers to consolidate database storage, standardize their database environment, and, should the need arise, upgrade to a full multi-node Oracle RAC database without downtime or disruption http://p.sf.net/sfu/oracle-sfdevnl _______________________________________________ Factor-talk mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/factor-talk
