From: "Berry, Charles" via "General discussions about Org-mode." <emacs-orgmode@gnu.org>
To: Damien Cassou <damien@cassou.me>
Cc: org-mode mailing list <emacs-orgmode@gnu.org>
Subject: Re: Bug: Babel+R handles spaces wrongly in tables [9.3.6 (release_9.3.6 @ /home/cassou/.emacs.d/lib/org/lisp/)]
Date: Sun, 6 Sep 2020 18:23:19 +0000 [thread overview]
Message-ID: <71761E05-7D0A-4FEF-8BAF-4C776A2FC17E@health.ucsd.edu> (raw)
In-Reply-To: <87wo172laf.fsf@cassou.me>
> On Sep 6, 2020, at 4:32 AM, Damien Cassou <damien@cassou.me> wrote:
>
>
> Hi,
>
> it seems that, if a cell within a table contains a space, the
> corresponding value passed as parameter to a R script will be
> wrong.
Not exactly. Your ECM has one column, and using both columns removes the issue.
Here is another ECM that illustrates the bug:
#+begin_src R :results output :var accounts=(identity '("A B" "C"))
print(accounts)
#+end_src
The bug is in `org-babel-R-assign-elisp' which attempts to get the number of elements in each line of a table, but when the table has just one row or column it gets this wrong.
> Please find a very simple org file attached to this email. I
> expect the length of the variable to be 2 (which is the length of '("A
> B" "C") and not 3. Apparently, R receives this array instead: '("A B"
> "C" nil).
>
Actually the length should be 1, i.e. a data.frame with a single column of two elements.
BTW, C-c C-v C-v with point in the src block will show you what R `receives'.
Unfortunately, there are other cases where the variable assignment does not work seamlessly for R src blocks. There are workarounds, but they are ungainly - like using a src block for another language to render the table and then using a noweb reference to it to import the data.
HTH,
Chuck
next prev parent reply other threads:[~2020-09-06 18:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-06 11:32 Damien Cassou
2020-09-06 18:23 ` Berry, Charles via General discussions about Org-mode. [this message]
2020-09-07 4:40 ` Bastien
2020-09-07 4:44 ` Bastien
2020-12-19 13:45 ` Jeremie Juste
2021-05-02 3:52 ` Bastien
2021-05-02 22:45 ` Jeremie Juste
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