Re: [R] Line-wrap problem

From: David Winsemius <dwinsemius_at_comcast.net>
Date: Sat, 19 Apr 2008 15:13:14 +0000 (UTC)

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
>
> ______________________________________________

>



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