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MathGroup Archive 2007

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  • To: mathgroup at
  • Subject: [mg73879] Means
  • From: "JGBoone at" <JGBoone at>
  • Date: Fri, 2 Mar 2007 06:41:13 -0500 (EST)

I was wondering if anyone knew how to take the mean of only half of a
paired order. I have a table of 3000 pairs and want to take the
average of the last half of the last number in the pair. I do this by
N[Mean[Map[Last, list]]] is there any way to map to the last half of
the list. Thanks

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