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MathGroup Archive 2004

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RE: Count

  • To: mathgroup at smc.vnet.net
  • Subject: [mg47595] RE: [mg47330] Count
  • From: "Dr A.H. Harker" <a.harker at ucl.ac.uk>
  • Date: Sat, 17 Apr 2004 02:31:36 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Count[x, a_ /; (a > 1) && (a < 3)]
or
Length[Select[x, (# > 1) && (# < 3) &]]

 Tony Harker
 University College London
 Gower Street
 LONDON
 WC1E  6BT
 (44)(0)207 679 3404
 a.harker at ucl.ac.uk

-----Original Message-----
From: paolo [mailto:tarpanelli at libero.it] 
To: mathgroup at smc.vnet.net
Subject: [mg47595] [mg47330] Count

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


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