Re: [R] R help

From: Erich Neuwirth <erich.neuwirth_at_univie.ac.at>
Date: Tue, 29 Apr 2008 08:28:41 +0200

Does your res.dat only have one row and you want this to one variable? For read.table each new case has to start on a new line.

If your data are in a "just one row for a variable" format, res <- scan("C:/Documents and Settings/db/Desktop/res.dat") will probably do what you want.

Debasish Roy wrote:
> I tried to read a dataset and then draw a histogram with a freqeuncy density curve fitted on the top of this.
> I used the command
>
> res <- read.table("C:/Documents and Settings/db/Desktop/res.dat")
> and found

>> res[1:5]

> V1 V2 V3 V4 V5
> 1 -0.4806 0.5075 0.0491 -0.7985 -0.666
> Then I got the following when I troied to plot it
>> hist(res)  

> Error in hist.default(res) : 'x' must be numeric
>
> Even I tried
>> hist(res[,2])

> which is showing a blank plot.
> My suspision is something is wrong in the way the data was read (with V1, V2, V3 etc). Can someone please help me how to get rid of this problem ?
>
>
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-- 
Erich Neuwirth, University of Vienna
Faculty of Computer Science
Computer Supported Didactics Working Group
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Received on Tue 29 Apr 2008 - 06:37:16 GMT

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