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Re: Loading a large and unusually formatted dataset into an Octave matri


From: Przemek Klosowski
Subject: Re: Loading a large and unusually formatted dataset into an Octave matrix
Date: Mon, 17 Jun 2013 16:11:42 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130514 Thunderbird/17.0.6

On 06/14/2013 02:04 PM, Elliot Gorokhovsky wrote:
Hello! I am a new octave user and I am trying to predict the price of
bitcoins 15 minutes in advance via neural networks for use on the
website btcoracle.com <http://btcoracle.com>. I have about a gigabyte of
data that looks like this:

Inline image 1

It would help to actually include a sample few lines in a computer readable format. Thanks to Ben for typing it in, I tried it using external parsing:

command="perl -F'\"' -lane 'print \"$F[5] $F[9]\"' /tmp/bitcoin"
FD=popen(command,'r');

here, I was hoping that something like this would work:

a=fscanf(FD,"%d %d")

but I wasn't successful. How does one read a datastream from popen?


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