Hi Chuck, "Charles C. Berry" <ccbe...@ucsd.edu> writes: > On Mon, 14 Dec 2015, Andreas Leha wrote: > >> Hi all, >> >> I'd like to hear your ideas on how to include noweb references to code >> blocks in a way that the default values are used as parameter values. >> >> Here is a little example: >> >> #+PROPERTY: header-args:R :session *testR* >> >> The background is that I like to use Org mode table to record small data. >> >> #+name: datatable >> | A | B | >> |---+----| >> | 1 | 10 | >> | 2 | 20 | >> >> Usually I want to pre-process and/or convert such data. >> >> #+name: read_datatable >> #+header: :var datatable=datatable >> #+begin_src R :results none >> datatable$B <- 10 * datatable$B >> #+end_src >> >> Later I would like to use that data in larger (R-) code blocks. I'd >> like such code blocks to DWIM: >> >> #+name: some_code >> #+begin_src R :noweb yes :results graphics :file testplot.png >> <<read_datatable>> >> plot(datatable$A, datatable$B) >> #+end_src >> >> But they do not: They are not stand alone and do not execute -- unless I >> executed `read_datatable' manually/by chance upfront. > > Try this: > > #+name: read_datatable > #+header: :var datatable=datatable > > #+begin_src R :results value :colnames yes > datatable$B <- 10 * datatable$B > datatable > #+end_src > > #+name: some_code > #+HEADER: :var datatable=read_datatable() > > #+begin_src R :noweb yes :results graphics :file testplot.png > plot(datatable$A, datatable$B) > #+end_src >
Thanks! I am aware of that possibility. Should have posted a more involved example. This works if I only return a table. Or something else, that can be passed through Org. But it fails for instance if the result is a function (or more functions...). Regards, Andreas