can anyone tell me how to import a text file in R? the text file I want to
import is a large file, about 800MB in size. Thanks in advance.
I tried using the following
data<-read.table("file",header=T,sep="\t")
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dhanush wrote:> can anyone tell me how to import a text file in R? the text file I want to > import is a large file, about 800MB in size. Thanks in advance. > > I tried using the following > > data<-read.table("file",header=T,sep="\t") > >And what happened?? Your specification is incomplete, as we don't know what your text file looks like. Is it CSV, etc.? How much memory does your system have?
That sounds like a good plan. What went wrong? You're more likely to get an answer if you tell us what your problem/question actually is. Sarah On Thu, Jun 3, 2010 at 7:32 AM, dhanush <dhana.sa at gmail.com> wrote:> > can anyone tell me how to import a text file in R? the text file I want to > import is a large file, about 800MB in size. Thanks in advance. > > I tried using the following > > data<-read.table("file",header=T,sep="\t") >-- Sarah Goslee http://www.functionaldiversity.org
What does the text look like? --- On Thu, 6/3/10, dhanush <dhana.sa at gmail.com> wrote:> From: dhanush <dhana.sa at gmail.com> > Subject: [R] import text file into R > To: r-help at r-project.org > Received: Thursday, June 3, 2010, 7:32 AM > > can anyone tell me how to import a text file in R? the text > file I want to > import is a large file, about 800MB in size. Thanks in > advance. > > I tried using the following > > data<-read.table("file",header=T,sep="\t") > > > -- > View this message in context: http://r.789695.n4.nabble.com/import-text-file-into-R-tp2241525p2241525.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help at r-project.org > mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, > reproducible code. >
You may want to try read.delim if you are having troubles with
read.table.
Jim
-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
On Behalf Of dhanush
Sent: Thursday, June 03, 2010 4:33 AM
To: r-help at r-project.org
Subject: [R] import text file into R
can anyone tell me how to import a text file in R? the text file I want
to import is a large file, about 800MB in size. Thanks in advance.
I tried using the following
data<-read.table("file",header=T,sep="\t")
--
View this message in context:
http://r.789695.n4.nabble.com/import-text-file-into-R-tp2241525p2241525.
html
Sent from the R help mailing list archive at Nabble.com.
______________________________________________
R-help at r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
On 06/03/2010 09:32 PM, dhanush wrote:> > can anyone tell me how to import a text file in R? the text file I want to > import is a large file, about 800MB in size. Thanks in advance. > > I tried using the following > > data<-read.table("file",header=T,sep="\t") > >Hi dhanush, If the problem is with read.table, maybe: # "whatlist" is a list of data types defining what # is in each line of data - see the help page data<-scan("file",skip=1,sep="\t",what=whatlist) will get it in for you. Jim