Re: Dealing with large data sets
- To: mathgroup at smc.vnet.net
- Subject: [mg42988] Re: Dealing with large data sets
- From: "Allan Hayes" <hay at haystack.demon.co.uk>
- Date: Thu, 7 Aug 2003 00:53:46 -0400 (EDT)
- References: <bgqabr$dd6$1@smc.vnet.net>
- Reply-to: "Allan Hayes" <hay at haystack.demon.co.uk>
- Sender: owner-wri-mathgroup at wolfram.com
Rees, I get no problems with data sets of this size. How are you importing? Is testdata a list - try Short[testdata]. Check out the formats for Import. Allan --------------- Allan Hayes hay at haystack.demon.co.uk Voice: +44 (0)116 241 8747 Fax: +44 (0)870 164 0565 "Rees" <civnrn at hotmail.com> wrote in message news:bgqabr$dd6$1 at smc.vnet.net... > 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. > > I repeated everything using another data format: > {0.217,0.434,0.652 etc...} with the same response. > > > Any help greatly appreciated. > > Rees > > DATASET: > > 0.217 > 0.434 > 0.652 > 0.217 > 0.869 > 0.268 > 1.303 > 0.433 > 4.118 > 0.561 > 0.18 > 0.359 > 0.539 > 0.18 > 0.718 > 0.139 > 1.077 > 0.848 > 0.696 > 3.976 > 0.549 > 0.509 > 0.125 > 2.498 > 0.625 > 0.213 > 0.427 > 0.64 > 0.213 > 0.854 > 0.229 > 1.28 > 1.273 > 0.392 > 1.28 > 0.764 > 0.196 > 3.922 > 0.98 > 0.183 > 0.367 > 0.55 > 0.183 > 0.734 > 0.157 > 1.101 > 1.003 > 0.602 > 3.007 > 0.392 > 0.602 > 0.154 > 3.084 > 0.771 > data continues down 156381st row >