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MathGroup Archive 2001

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Re: ReadList

  • To: mathgroup at smc.vnet.net
  • Subject: [mg27230] Re: ReadList
  • From: vze295bp at verizon.net (David Reiss)
  • Date: Mon, 12 Feb 2001 03:21:12 -0500 (EST)
  • Organization: Scientific Arts
  • References: <960ata$p3f@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

In article <960ata$p3f at smc.vnet.net>, Matthias.Bode at oppenheim.de wrote:

> Dear Colleagues:
> 
> I have to read an external file.txt:
> 
> ReadList["D:\theirfile.txt", Record, RecordList->True]//N
> 
> This works and yields the appropriately partitioned list  but gives me - as
> InputForm proves - a list in which the numbers are (expletive deleted)
> words:
> 
> mylistoftheirfile = {{"0.001, 0.2, ..."}, {"..."}, ....}
> 
> How can I convert the "words" to plain rational numbers that will be
> amenable to a principal component analysis, my ultimate aim?
> 
> Thank you for your help.
> 
> Best regards,
> 
> Matthias Bode
> Sal. Oppenheim jr. & Cie. KGaA
> Koenigsberger Strasse 29
> D-60487 Frankfurt am Main
> GERMANY
> Tel.: +49(0)69 71 34 53 80
> Mobile: +49(0)172 6 74 95 77
> Fax: +49(0)69 71 34 6380
> E-mail: matthias.bode at oppenheim.de
> Internet: http://www.oppenheim.de

If I understand your problem correctly (that your 
file is a rectangular array of floats)
then this should probably work:

ReadList["D:\theirfile.txt", Number, RecordList->True]

Cheers,

David

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