[R] Sending a matrix in an email

[David Winsemius]

On Nov 18, 2013, at 8:30 AM, Ira Fuchs wrote:

> Thanks for the suggestion. I just tried dput and it did not produce  
> what sendmailR requires for the body parameter. Here is a simplified  
> version of what I need to do:
>
>> x=matrix(c(1,2,3),1,3)
>> x
>     [,1] [,2] [,3]
> [1,]    1    2    3
>> colnames(x)=c("a","b","c")
>> x
>     a b c
> [1,] 1 2 3
>
>> dput(x)
> structure(c(1, 2, 3), .Dim = c(1L, 3L), .Dimnames = list(NULL,
>    c("a", "b", "c")))
>
> I want to send x in sendmailR(to,from,x) and have it look more or  
> less like the output above. Simple, right?

After this at the console:

sink("myfile.txt")
 > x=matrix(c(1,2,3),1,3)
 > x
 > colnames(x)=c("a","b","c")
 > x
 > sink()

I get this in myfile.txt:

      [,1] [,2] [,3]
[1,]    1    2    3
      a b c
[1,] 1 2 3

There is also a capture.output function.

-- 
David

>
>
> On Nov 18, 2013, at 9:13 AM, Sarah Goslee wrote:
>
>> What about dput()?
>>
>> On Mon, Nov 18, 2013 at 8:35 AM, Ira Fuchs <irafuchs at gmail.com>  
>> wrote:
>>> I have a matrix which has colnames and I would like to send this  
>>> matrix using sendmailR. How can I convert this simple matrix to a  
>>> format which can be used as the body variable in sendmailR? I see  
>>> how I can create a file attachment using mime_part but I would  
>>> like to send the matrix in the body of the email.
>>>
>>> The matrix looks like:
>>>
>>>     ABD  DEF  GHI  JKL MNO   TOT
>>> [1,] 0.44 0.81 1.67 0.37 0.31 -1.18
>>>
>>>
>>> All the conversions I have tried end up sending the matrix without  
>>> the colnames.
>>>
>>> Thanks.
>>>
>
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David Winsemius, MD
Alameda, CA, USA