I literally copy/pasted your second version (without the + signs) in a file
and the "source"d that file.  It loaded without error and the "a" matrix was
as I expected.

On 9/6/06, Evan Cooch <cooch17@verizon.net> wrote:
>
> When I have to enter a very large matrix into the R console, I can make
> use of the continuation feature in the console to enter the matrix in
> pieces (e.g.,  on a row by row basis). So, for example, the console
> would show the "+" sign for continuation lines - something like what
> I've written below:
>
> a=matrix(c(0,20,50,
> +  0.05,0,0,
> + 0,0.1,0),
> + 3,3,byrow=T)
>
> (obviously, for a matrix this small - 3x3 - I could enter it all on a
> single line, this is just to demonstrate)
>
> My question is - how do you accomplish the same thing in an R script
> file? I've tried literally copying the preceding - syntax error at the
> second line. I've also tried
>
>
> a=matrix(c(0,20,50,
> 0.05,0,0,
> 0,0.1,0),
> 3,3,byrow=T)
>
> Again, syntax error, at the second line...
>
> After multiple searches for 'continuation line', with no luck
> (everything I found refers to the R console, no a script file), I'll ask
> here. Basically, I want to know how to get an R script to handle a
> structure entered over multiple lines (e.g., a matrix). This is default
> behaviour in .m files in Matlab, and most other environments I've ever
> worked in (e.g., SAS looks for the ; to indicate end of a line).
>
> Thanks in advance...
>
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
>


-- 

Mike Meyer, Seattle WA

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