moreover:
> library(ascii)
> M <- matrix(letters[1:10], 2)
> M
    [,1] [,2] [,3] [,4] [,5]
[1,] "a"  "c"  "e"  "g"  "i"
[2,] "b"  "d"  "f"  "h"  "j"
> ascii(M)
|====================
| a | c | e | g | i
| b | d | f | h | j
|====================
> print(ascii(M), "rest")

+---+---+---+---+---+
| a | c | e | g | i |
+---+---+---+---+---+
| b | d | f | h | j |
+---+---+---+---+---+
> print(ascii(M), "pandoc")

--- --- --- --- ---
a   c   e   g   i
b   d   f   h   j
--- --- --- --- ---

You could also try "t2t", "org", or "textile", and then set a global option:
> options(asciiType = "youroutputtype")

david
2011/5/22 Ista Zahn <izahn@psych.rochester.edu>:
> Axel, you may also be interested in the ascii function (in the ascii
> package). The ascii version of David's example is
>
> library(ascii) #may need install.packages("ascii") first
> ascii(M)
> ascii(table(sample(1:10, 100, replace=TRUE)))
>
> Best,
> Ista
> On Sun, May 22, 2011 at 9:52 AM, David Winsemius <dwinsemius@comcast.net>
wrote:
>>
>> On May 22, 2011, at 7:47 AM, Axel Urbiz wrote:
>>
>>> is it possible to add dash lines to tables or matrices when they are
>>> printed? An example of what I'm looking for is this:
>>>
>>> library(Design)
>>> y <- sample(c(0,1),100, replace = TRUE)
>>> x <- rnorm(100)
>>> summary(y ~ x)
>>
>> There is a method for summary on formula objects found by typing
>>
>> methods(summary)   # didn't find the answer looking at code of
>> summary.formula.
>>
>> Then there is a print method for summary.formula objects>
>>
>> methods(print)
>> # examine the 3 print.summary. .... methods
>> # didn't find the answer there, either, but did notice that the
>> # function `print.char.matrix` was being used near the end of the code
>>
>>> M <- matrix(letters[1:10], 2)
>>> print.char.matrix(M)
>> +-+-+-+-+-+
>> |a|c|e|g|i|
>> +-+-+-+-+-+
>> |b|d|f|h|j|
>> +-+-+-+-+-+
>>
>> It is in package Hmisc and its behavior is documented:
>>
>> ?print.char.matrix
>>
>>> print.char.matrix( table(sample(1:10, 100, replace=TRUE) )  )
>> +--+--+
>> | 1|12|
>> +--+--+
>> | 2| 6|
>> +--+--+
>> | 3|11|
>> +--+--+
>> | 4|13|
>> +--+--+
>> | 5|12|
>> +--+--+
>> | 6| 7|
>> +--+--+
>> | 7| 8|
>> +--+--+
>> | 8| 8|
>> +--+--+
>> | 9|14|
>> +--+--+
>> |10| 9|
>> +--+--+
>>
>> --
>>
>> David Winsemius, MD
>> West Hartford, CT
>>
>> ______________________________________________
>> R-help@r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
>
>
> --
> Ista Zahn
> Graduate student
> University of Rochester
> Department of Clinical and Social Psychology
> http://yourpsyche.org
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

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