Re: Count
- To: mathgroup at smc.vnet.net
- Subject: [mg47338] Re: [mg47330] Count
- From: Andrzej Kozlowski <akoz at mimuw.edu.pl>
- Date: Tue, 6 Apr 2004 06:36:21 -0400 (EDT)
- References: <200404050923.FAA21903@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
On 5 Apr 2004, at 18:23, paolo wrote:
> if i have a time serie, how can i Count the elements of this time
> serie that are within a defined range
> Example:
>
> x={1,1.023,1.056,2.45,5.67,....}
>
> how can i Count the elements inside the range (1,3)?
>
> thanks
>
> Paolo
>
>
Here are a couple of a number of possible ways:
Count[{1,1.023,1.056,2.45,5.67},_?(1²#²3&)]
4
or
Count[{1,1.023,1.056,2.45,5.67},_?(IntervalMemberQ[Interval[{1,3}],#]&)]
4
Andrzej Kozlowski
Chiba, Japan
http://www.mimuw.edu.pl/~akoz/
- References:
- Count
- From: "paolo " <tarpanelli@libero.it>
- Count