Feature Request from Doug Martin and Tom Philips
Richard Kimberly Heck
rikiheck at lyx.org
Mon Jan 18 22:12:01 UTC 2021
On 1/18/21 2:49 PM, Paul A. Rubin wrote:
> On 1/18/21 2:03 PM, Doug Martin wrote:
>> On Mon, Jan 18, 2021 at 10:41 AM Scott Kostyshak <skostysh at lyx.org
>> <mailto:skostysh at lyx.org>> wrote:
>> On Mon, Jan 18, 2021 at 07:25:42PM +0100, Jean-Marc Lasgouttes wrote:
>> > Le 14/01/2021 à 05:34, Doug Martin a écrit :
>> > > JMarc and all,
>> > >
>> > > Tom and I use knitr extensively for R code chunks, and we
>> mostly use
>> > > kable with kableExtra to make tables.
>> > > The input to kable are R data frames, or data.tables, which
>> are the
>> > > result of model fitting and related calculations.
>> > > But we like to put mathematical expressions in selected cells
>> of tables,
>> > > which is so easy with LYX tables, and we currently
>> > > have to make the data entry into LYX by hand from data tables and
>> > > data.tables in order to make use of that feature.
>> > > So it would be great if we could import R data tables and
>> > > into LYX tables, rather than using the kable/kableExtra
>> > > solution for our tables (maybe I didn't make that clear in
>> my earlier
>> > > email). Then we would probably would drop use of
>> > > kable/kableExtra.
>> > So you want to import as .tex the result of R processing. This
>> can be done
>> > via "Paste from LaTeX". What would be missing for your intended
>> From what I understand, they would like to import a .Rds file without
>> having to manually convert it to LaTeX.
>> Definitely correct on the "without" part. But we want to directly
>> import an R object
>> of class data.frame or data.table into an LYX table.
>> If we have to export such an object first, we would typically export
>> it to an .Rda object.
>> But it would be far more convenient to not have to do that.
>> R. Douglas Martin
>> Professor Emeritus in Applied Mathematics and Statistics
>> Founder and Former Director of MS-CFRM Program
>> depts.washington.edu/compfin/ <http://depts.washington.edu/compfin/>
>> University of Washington
> I'm not sure that what you want (direct import without first
> exporting) is possible. Keep in mind that the source data frames /
> tables live inside an R session, to which LyX probably does not have
> access. So I'm pretty sure you will need to manually export the R
> objects, either by saving to .Rda files (and then importing them into
> a LyX document using a converter) or by running an R function/script
> that converts them to LaTeX or LyX source (or something else LyX can
Presumably one could script the R session itself so that the needed
object was exported? I.e., can one do that from the command line? That's
the kind of thing that an external template would do.
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