uly 11, 2008 9:58 AM
To: [EMAIL PROTECTED]
Cc: r-help@r-project.org
Subject: Re: [R] reading in a subset of a large data set
If the data you want is contiguous, then just 'skip' the number of
records and then read the number you want.
If you want to select a random sample, then che
If the data you want is contiguous, then just 'skip' the number of
records and then read the number you want.
If you want to select a random sample, then checkout
http://article.gmane.org/gmane.comp.lang.r.general/78318/match=random+read
In your case where you want to conditionally read based on
I have a huge dataset for which I only want to read in a subset of it. Is it
possible to use read.table to read in only a subset of the data? For example,
something like read.table('~/data.txt', subset = chromosome=='1' )
If not, then why not? This seems to be a feature available in all other
s
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