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Counting Runs

• To: mathgroup at smc.vnet.net
• Subject: [mg51890] Counting Runs
• From: Gregory Lypny <gregory.lypny at videotron.ca>
• Date: Thu, 4 Nov 2004 01:50:22 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

Looking for an elegant way to count runs to numbers in a series.  
Suppose I have a list of ones and negative ones such as
	v={1,1,1,-1,1,1,1,1,1,-1,-1,-1,-1,1}.
I'd like to create a function that counts the number of runs of 1s and 
-1s, which in this case is 3 and 2.

	Greg

• Follow-Ups:
  • Re: Counting Runs
    • From: János <janos.lobb@yale.edu>
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