Re: Counting Runs
- To: mathgroup at smc.vnet.net
- Subject: [mg51928] Re: [mg51890] Counting Runs
- From: DrBob <drbob at bigfoot.com>
- Date: Fri, 5 Nov 2004 02:17:29 -0500 (EST)
- References: <200411040650.BAA18131@smc.vnet.net>
- Reply-to: drbob at bigfoot.com
- Sender: owner-wri-mathgroup at wolfram.com
data={1,1,1,-1,1,1,1,1,1,-1,-1,-1,-1,1};
Count[Split@data,{#,___},{1}]&/@Union@data
{#,Count[Split@data,{#,___},{1}]}&/@Union@data
{2,3}
{{-1,2},{1,3}}
Bobby
On Thu, 4 Nov 2004 01:50:22 -0500 (EST), Gregory Lypny <gregory.lypny at videotron.ca> wrote:
>
>
> 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
>
>
>
>
--
DrBob at bigfoot.com
www.eclecticdreams.net
- References:
- Counting Runs
- From: Gregory Lypny <gregory.lypny@videotron.ca>
- Counting Runs