Dear Paul,

Probably what is happening is that the file is not located where you're
telling it to R (did you move it recently?). Do you have headers in your
data set? If so, you can try

mydata=read.table(file="C:\\Document and Settings\\All Users\\Desktop\\colon
cancer.txt",header=TRUE)

otherwise, change header=TRUE by header=FALSE.

Both should do the work. To go deep on the syntax and options in read.table,
see ?read.table. Also you can check ?scan and its friends.


HTH,

Jorge




On Mon, Jun 2, 2008 at 2:33 PM, Paul Adams <pma3622@yahoo.com> wrote:

>   Hello to everyone,
> I am new to programming in R and am having trouble with the following
> two commands
> 1.I am running a simple 1 line script "read.table(file="C:\\Document and
> Settings\\All Users\\Desktop\\colon cancer.txt) and the error message I get
> is "Error in file (file, "r"): cannot
> open the connection In addition warning message In file (file, "r"): cannot
> open file'C:\Document and
> Settings\All Users\Desktop\colon cancer..txt
>
> 2.I am running the simple 1 line script print (file="C:\\Document and
> Settings\\All Users\\Desktop\\colon cancer.txt) and the error message I get
> is "error in print.default (file="C:\\
> Document and Settings\\All Users\\Desktop\\colon cancer.txt"): argument x
> is missing,with no default
> I am not sure what I am supposed to enter as argument x.
>
> Any help would be greatly appreciated
> paul
>
>
>
>
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>
>
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> and provide commented, minimal, self-contained, reproducible code.
>
>

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