[R] Line-wrap problem

[David Winsemius]

Matthew Fero <mfero at fhcrc.org> wrote in
news:35F5A13F-5CEC-469B-A707-D2F9BD84377A at fhcrc.org: 

?options

#... and look at the width parameter

> options(width = 100)
> 1:40
 [1]  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
[33] 33 34 35 36 37 38 39 40

There may be Mac specifics in your question since you note resizing 
"fixes" the problem in some instances. After a day or two, you might 
post it again on the Mac-SIG list ... after you do further experiments 
with code from the scripts that exhibit this output anomaly.

> I'm wondering if someone can tell me how R determines where to wrap 
> lines in its output.
> 
> I'd like to understand this because occasionally often after running
>  a script the output of R no longer wraps at the correct location.  
> For example, the statement, '1:40' would ordinarily return something
>  like this...
> 
>    [1]    1   2   3    4   5   6   7    8   9 10 11 12 13 14 15 16 17  
> 18 19 20
> [21] 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
> 
> and is instead returning longer lines like this...
> 
>    [1]    1   2   3    4   5   6   7    8   9 10 11 12 13 14 15 16 17  
> 18 19 20
>   21 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
> 
> As you can imagine this makes it hard to read output because the  
> results no longer line up in nice columns.  This seems to happen  
> without my having resized the window but resizing the window can  
> occasionally make it better.


> 
> Other details:
> System: Mac OS X v.10.4.11
> Running R from command line (Terminal.app) or from R.app
> 
> ______________________________________________

>