Re: Dealing with large data sets
- To: mathgroup at smc.vnet.net
- Subject: [mg42972] Re: Dealing with large data sets
- From: bobhanlon at aol.com (Bob Hanlon)
- Date: Thu, 7 Aug 2003 00:53:31 -0400 (EDT)
- References: <bgqabr$dd6$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Mean is undefined unless you have loaded a statistics package or defined it
yourself.
mean[x_List] := Tr[x]/Length[x];
Bob Hanlon
In article <bgqabr$dd6$1 at smc.vnet.net>, civnrn at hotmail.com wrote:
<< 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.
I repeated everything using another data format:
{0.217,0.434,0.652 etc...} with the same response.
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