From: Fabrice L <fabrice.alpha@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Filter module for R
Date: Sun, 14 Jun 2020 23:26:28 -0400 [thread overview]
Message-ID: <DCF2EF96-1F3C-4BEB-9D96-1D27A2247C1A@gmail.com> (raw)
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Hi,
Following a question about the broken R module (R the statistical software), Aditya suggested me the filter module (thanks to him). I’m about to distribute a set of course notes to colleagues, and I need to deal with details now. I have one problem and two questions.
1) the filter collect R code between \startR / \stopR and submit this code to R. As it can be seen in the following minimal example, when a label contains an accented character (« Fréquence » in my example), the pdf graphic does not contains the « é ». Strangely, the snippet of code (which is saved locally as « test2-temp-R-0.tmp » (for test2.tex)) when submitted with the same command as the filtercommand, works correctly; that means the same file works when submitted to R outside of ConTeXt. I have no idea how to solve this.
2) In a teaching context, we may want sometimes to show the code. The filter module actually permits to show the output of the code submitted to R (which can include or not the input commands); would it be possible to typeset the submitted code ?
3) Finally, using "R CMD BATCH… » as the filtercommand add an extra line at the end of the output file which can be typeset to visualize results. Would it be possible by a magic trick to deleter the last line of the file ?
Here is a minimal code:
% —————————————————
\usemodule[filter]
\defineexternalfilter
[R]
[ filtercommand={R CMD BATCH -q --no-timing --save --restore \externalfilterinputfile\space \externalfilteroutputfile},
output=\externalfilterbasefile.out,
directory=output,
readcommand=\typefile,
read=no,
cache=yes,
purge=yes
]
\starttext
Some text...
\startR[read=yes]
pdf("RPlots/MyHistogram.pdf",5,5)
X <- rnorm(200,mean=10,sd=2)
hist(X, col = "red3" , xlab="Score QI" , main="", ylab="fréquence")
\stopR
\externalfigure[MyHistogram.pdf][width=.5\textwidth]
\stoptext
% —————————————————
Sorry for the three questions… and thanks for any help.
Fabrice.
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next reply other threads:[~2020-06-15 3:26 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-15 3:26 Fabrice L [this message]
2020-06-15 5:45 ` Aditya Mahajan
2020-06-15 6:04 ` Aditya Mahajan
2020-06-15 6:24 ` Aditya Mahajan
[not found] ` <82287b24-d781-808f-f96b-675f56224bb6@azules.eu>
2020-06-24 21:01 ` French interface - previous message = wrong title Garulfo
2020-06-24 21:35 ` Hans Hagen
2020-06-25 19:34 ` French interface Garulfo
2020-06-25 20:00 ` Wolfgang Schuster
2020-06-15 17:33 ` Filter module for R Fabrice L
2020-06-15 18:06 ` Aditya Mahajan
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