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• To: mathgroup at smc.vnet.net
• Subject: [mg61045] Select from list
• From: "Steven Taracevicz" <sftara at starshooter.com>
• Date: Sat, 8 Oct 2005 02:49:15 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

hi:

I read a text file that gives me a list.
nLevel[8, 10] = Import["output8_10.txt", "List"]

{-10,-9,-7,-3,1,3,3,17}

I have no problems calculating mean, variance etc. with the list.

When I use:

Select[nLevel[8,10], #<0]

yields

{}

despite negative elements.

I cannot figure out why.

Thanks,

-- 
Steven Taracevicz

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