[R] writing a matrix in a file

[jim holtman]

try this:

> x <- matrix(1:25,5)
> x
     [,1] [,2] [,3] [,4] [,5]
[1,]    1    6   11   16   21
[2,]    2    7   12   17   22
[3,]    3    8   13   18   23
[4,]    4    9   14   19   24
[5,]    5   10   15   20   25
> write.table(x, file='')
"V1" "V2" "V3" "V4" "V5"
"1" 1 6 11 16 21
"2" 2 7 12 17 22
"3" 3 8 13 18 23
"4" 4 9 14 19 24
"5" 5 10 15 20 25
> write.table(x, file='', row.names=FALSE, col.names=FALSE)
1 6 11 16 21
2 7 12 17 22
3 8 13 18 23
4 9 14 19 24
5 10 15 20 25


On Wed, Jun 2, 2010 at 9:34 AM, amir <amir at ac.upc.edu> wrote:
> Hi,
>
> I want to write a matrix (n*m) in a file (Text file)  such that the file
> will be as Result file (below).
> I use the below command but it write all numbers in one column,
>
>> write(paste(matrixname),file="test.txt",append=TRUE)
>
> how can I do this?
>
> Result file:
> 5    5   -1   -1   -1   -1
> 8    8    2    7    6    5
> 6    6    8    2    7    5
>
> Matrix:
>     [,1] [,2] [,3] [,4] [,5] [,6]
> [1,]    5    5   -1   -1   -1   -1
> [2,]    8    8    2    7    6    5
> [3,]    6    6    8    2    7    5
>
> Regards,
> Amir
>
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>



-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem that you are trying to solve?