[R] How to read in data

[Anne Piotet]

Thanks! yes it WORKS
Anne

----- Original Message -----
From: "Mathieu Ros" <mros at autan.toulouse.inra.fr>
To: "Anne Piotet" <Anne.Olga.Piotet at omsv.vd.ch>
Cc: <r-help at stat.math.ethz.ch>
Sent: Tuesday, July 15, 2003 4:58 PM
Subject: Re: [R] How to read in data


> >>>>> "AP" == Anne Piotet <Anne.Olga.Piotet at omsv.vd.ch> disait:
>
>     AP> Hello, I'm new to R and in the process of testing it My first
>     AP> question: I fail to read in my data (ANSI toto.txt file, tab
>     AP> separated)
>     >> test <-read.table("toto.txt")
>     AP>             Error in file(file, "r") : unable to open
>     AP> connection In addition: Warning message: cannot open file
>     AP> `toto.txt'
>     >> test <- scan("C:\\toto.txt")
>     AP>             Error in scan("C:\\toto.txt") : "scan" expected a
>     AP> real, got "No_D"
>     >> test <-scan("test.dat")
>     AP>             Error in file(file, "r") : unable to open
>     AP> connection In addition: Warning message: cannot open file
>     AP> `toto.txt (and no, it is not read only or locked or whatever)
>     AP> I use Windows 2000/XP
>
> I think
> read.table("C:\\toto.txt",header=TRUE)
> will do the job : the message you got on your first and third attempts
> means that you gave a wrong path to your file.
> otherwise, read the help for read.table carefully (header and skip
parameters).
>
>     AP> second question...what are the size limits of statistical
>     AP> files I can handle? I plan to analize plant datas (up to
>     AP> 500'000 records, from which I will analize a restrictive set
>     AP> of variates ) Even when broken down by some chracteristics,
>     AP> the data to analize can have 50'000-100'000 records
>
>     AP> Well thank for the help Anne
> de rien ;)
>
> regards,
>
> --Mathieu
>
>