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Re: [O] [BUG] [babel] [R] :colnames yes conflicts with :results file

From: Rainer M Krug
Subject: Re: [O] [BUG] [babel] [R] :colnames yes conflicts with :results file
Date: Wed, 07 Jan 2015 10:19:10 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (darwin)

address@hidden (Thomas S. Dye) writes:

> Aloha Rainer,
> Rainer M Krug <address@hidden> writes:
>> I don't think this is a bug as it is not clear what should happen.
>> In the org manual it states concerning the :results file
>> ,----
>> |    * `file' The results will be interpreted as the path to a file, and
>> |      will be inserted into the Org mode buffer as a file link.  E.g.,
>> |      `:results value file'. 
>> `----
>> But the :colnames only works on tables (i.e. :results table) - but the
>> result is represented as a link to a file. So what should happen?
> I think this is mistaken.  "Tables" occur in at least three contexts in
> babel source code blocks.  There are input tables, :var mytable, there
> are "tables" within the code block, represented in R as a dataframe or a
> matrix, and there are output tables, which are placed in the Org mode
> buffer as a result.

Agreed - I was only thinking of the R -> org path.

> I use :colnames to keep the column names of input tables associated with
> the "tables" within the code block, and typically have them represented
> in the output, whether that is a "table" written to file, or output to
> the Org mode buffer as an Org mode table, either by default or (more
> rarely) through use of :results table.
> In my experience :results table is mostly useful for coercing a value
> that babel would otherwise interpret as a scalar into a single element
> table.

Well - if the result is an R data.frame, it would not make a difference
if I use   :results table  or not - correct?

>> If you would like to have a table with links to files, the easiest is to
>> put the file names into [[]] in R and then return them in a table - or
>> use :results output and "draw" the table.
>> But as it stands, these two header arguments do not go together.
> Which two header arguments?  :results table file is contradictory, but
> :colnames yes :results file is not, or should not be, IMHO.

Yup -   ~:colnames yes :results file~    as well as
 ~:colnames yes :results table~    are not



> All the best,
> Tom

Rainer M. Krug
email: Rainer<at>krugs<dot>de
PGP: 0x0F52F982

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