From: Vicente Vera <vicentemvp@gmail.com>
To: emacs-orgmode <emacs-orgmode@gnu.org>
Subject: Re: Strings converted to numbers in Org table?
Date: Mon, 27 Feb 2017 13:49:26 +0000 [thread overview]
Message-ID: <CAMfbzvCw-ysekmBhuUrgNZbS+ji4X-Xg+1pXPKB-4+SvRX5UGg@mail.gmail.com> (raw)
In-Reply-To: <CAMfbzvB-vNz7voWq8RC4HPriXQg4NnJ7kicZ33ST+L61Kpq6Tw@mail.gmail.com>
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Probably the issue is related to this function in `ob-core.el'?
org-babel-read: "Convert the string value of CELL to a number if
appropriate."
Behind the curtains lies the built-in function `string-to-number'.
Maybe that conversion should be made optional to leave the strings
untouched.
2017-02-24 1:40 GMT+00:00 Vicente Vera <vicentemvp@gmail.com>:
> Hello. I'm trying to get an Org table from an R data frame but data is
> lost in the process.
>
> Here is a MWE. Note that:
>
> - In R every value is a string. "var2" contains no numbers (is a
> character vector).
>
> - Upon conversion to a table Org removes the zero from "var2" last
> value.
>
> ------------------------------
>
> #+BEGIN_SRC R :session *mwe* :results value table :colnames yes
> tst <- data.frame(var1 = c("a", "b", "c", "d", "e", "f", "g"),
> var2 = c("150", "210", "140", "150", "192", "497",
> "3.350"),
> stringsAsFactors = FALSE)
> tst
> #+END_SRC
>
> #+RESULTS:
> | var1 | var2 |
> |------+------|
> | a | 150 |
> | b | 210 |
> | c | 140 |
> | d | 150 |
> | e | 192 |
> | f | 497 |
> | g | 3.35 |
>
> ------------------------------
>
> Here's the output as seen in R:
>
> : > tst
> : var1 var2
> : 1 a 150
> : 2 b 210
> : 3 c 140
> : 4 d 150
> : 5 e 192
> : 6 f 497
> : 7 g 3.350
>
> Details on the data frame:
>
> : > str(tst)
> : 'data.frame': 7 obs. of 2 variables:
> : $ var1: chr "a" "b" "c" "d" ...
> : $ var2: chr "150" "210" "140" "150" ...
>
> It seems Org knows that the values on column "var2" are numbers and
> converts the strings to numbers, applying some obscure trimming on the
> digits. The "3.350" value needs to be left as is.
>
>
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next prev parent reply other threads:[~2017-02-27 13:49 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-24 1:40 Strings converted to numbers in Org table? Vicente Vera
2017-02-27 13:49 ` Vicente Vera [this message]
2017-02-27 15:31 ` Vicente Vera
2017-02-27 17:33 ` Nicolas Goaziou
2017-02-27 19:20 ` Vicente Vera
2017-02-27 18:17 ` Charles C. Berry
2017-02-28 7:43 ` Alan Schmitt
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