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From: "Sébastien Rey-Coyrehourcq" <sebastien.rey-coyrehourcq@univ-rouen.fr>
To: emacs-orgmode@gnu.org, jeremiejuste@gmail.com
Subject: Re: Org babel Python and R, table not transformed when :var is called ?
Date: Thu, 2 Dec 2021 12:10:40 +0100	[thread overview]
Message-ID: <88045b81-7f7c-e591-23c9-26c682437999@univ-rouen.fr> (raw)
In-Reply-To: <91cb65e0-4b2c-92ae-a69f-4d9ad8b3e1e3@univ-rouen.fr>

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Hi,

I found a solution using *Wrapping*, adding a #+NAME to #+RESULTS block 
resolve the problem.

This is not defined / described into the doc, and actually i found this 
process a little anti-intuitive. #+RESULTS has already a name, 
resulting/linked from/to the execution of mypythoncode ...

Best regards


#+NAME: attr_wrap
#+BEGIN_SRC sh :var data="" :results output
   echo "#+NAME: cities"
   echo "$data"
#+END_SRC

#+NAME:mypythoncode
#+begin_src python  :results value raw :output  :post 
attr_wrap(data=*this*) :return tabulate(df, headers=df.columns, 
tablefmt='orgtbl')
import numpy as np
import pandas as pd
from tabulate import tabulate
df = pd.DataFrame(np.random.randint(0,10,size=(10, 4)), 
columns=list('ABCD'))
#+end_src

Le 01/12/2021 à 09:04, Sébastien Rey-Coyrehourcq a écrit :
>
> Hi there,
>
> Perhaps it's a bug, or something i don't understand, i post on reddit 
> (https://www.reddit.com/r/emacs/comments/r5yt4a/r_talking_with_python_using_orgtable_not_work/) 
> to see if people on org community know the problem.
>
> I cross post here to see if it's a know bug or somethings ?
>
> There is something i don't understand,
> a difference between behavior of org-babel and org-mode when you use 
> org table to pass data using or not using :var.
>
> |#+NAME:mypythoncode #+begin_src python :results value raw :output 
> :return tabulate(df, headers=df.columns, tablefmt='orgtbl') import 
> numpy as np import pandas as pd from tabulate import tabulate df = 
> pd.DataFrame(np.random.randint(0,10,size=(10, 4)), 
> columns=list('ABCD')) #+end_src #+RESULTS: mypythoncode | | A | B | C 
> | D | |---+---+---+---+---| | 0 | 0 | 9 | 6 | 0 | | 1 | 2 | 9 | 0 | 4 
> | | 2 | 9 | 6 | 0 | 1 | | 3 | 6 | 1 | 8 | 1 | | 4 | 4 | 2 | 1 | 4 | | 
> 5 | 2 | 1 | 1 | 1 | | 6 | 4 | 8 | 9 | 0 | | 7 | 1 | 4 | 8 | 7 | | 8 | 
> 9 | 3 | 2 | 5 | | 9 | 5 | 0 | 7 | 3 | #+NAME:lib-R #+HEADER: :var 
> code=mypythoncode #+begin_src R :results output library(ggplot2) 
> library(dplyr) library(lubridate) str(code) #+end_src #+RESULTS: lib-R 
> : chr "| | A | B | C | D |\n|----+-----+-----+-----+-----|\n| 0 | 8 | 
> 0 | 5 | 2 |\n| 1 | 2 | "| __truncated__ |
>
> As you see, the org table is not recognized as a dataframe by R.
>
> If i replace by a basic org table :
>
> |||#+NAME: any_data | | parameter | value | |---+-----------+-------| | 
> 0 | heats | 30 | | 1 | heats | 30 | #+NAME:lib-R #+HEADER: :var 
> code=any_data #+begin_src R :results output library(ggplot2) 
> library(dplyr) library(lubridate) str(code) #+end_src #+RESULTS: lib-R 
> : 'data.frame': 2 obs. of 3 variables: : $ X : int 0 1 : $ parameter: 
> chr "heats" "heats" : $ value : int 30 30 |||
>
> That works...
>
> Best regards,
>
> ||

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next prev parent reply	other threads:[~2021-12-02 11:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-01  8:04 Org babel Python and R, table not transformed when :var is called ? Sébastien Rey-Coyrehourcq
2021-12-02 11:10 ` Sébastien Rey-Coyrehourcq [this message]
2022-10-16 11:23 ` Ihor Radchenko

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