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Re: Dealing with large data sets

  • To: mathgroup at smc.vnet.net
  • Subject: [mg42966] Re: Dealing with large data sets
  • From: Yves Klett <yk at despammed.com>
  • Date: Thu, 7 Aug 2003 00:53:27 -0400 (EDT)
  • Organization: Comp.Center (RUS), U of Stuttgart, FRG
  • References: <bgqabr$dd6$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Rees schrieb:
> Dear all,
> 
> I have a large dataset (156381 points) and I wish to fit a
> distribution to the dataset.  However I cannot seem to get Mathematica to
> recognise the dataset.  I imported the data as "testdata" then did
> Mean[testdata].  Unfortunately this command just repeated the data and
> failed to give me the mean value.

Hi Rees,

if you are using any version befor 5.0 maybe you forgot to load the 
right Statistics package. Try something like

<<Statistics`DescriptiveStatistics`

before executing Mean. For the syntax take a look at the Online Help 
under "Statistics`DescriptiveStatistics`". Hope that helps,

Yves


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