[R] calling r from java

[Bert Gunter]

Heh heh. Criticism accepted. However...

1. Web searching first is still a good idea.
2. Old in not **necessarily** useless -- I fervently hope(calculus has been
around since, umm...).

This also **might** be useful to the OP:
https://cran.r-project.org/web/views/WebTechnologies.html

Cheers,
Bert


Bert Gunter

"The trouble with having an open mind is that people keep coming along and
sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )


On Fri, Nov 27, 2020 at 5:14 PM Jeff Newmiller <jdnewmil using dcn.davis.ca.us>
wrote:

> Not being a Java programmer I was going to sit this one out, but when Bert
> points at an 8-year old blog that OP was already saying was too old I
> figure even I can Google better than that.
>
> https://github.com/oracle/fastr
>
> which has activity within the last 3 days, though I really don't know
> anything about it beyond that.
>
> FWIW I can't recall ever seeing mention of calling R from Java on this
> list before, so don't get your hopes up. Of course, that subject would in
> general be off topic so that isn't saying much.
>
> On November 27, 2020 4:55:39 PM PST, Bert Gunter <bgunter.4567 using gmail.com>
> wrote:
> >Well ... google is your friend.
> >"calling R from Java"
> >brought up what looked to me like useful resources, including this:
> >https://www.cnblogs.com/mavlarn/archive/2012/12/24/2831688.html
> >
> >Have you done this already?
> >
> >Bert Gunter
> >
> >"The trouble with having an open mind is that people keep coming along
> >and
> >sticking things into it."
> >-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
> >
> >
> >On Fri, Nov 27, 2020 at 4:01 PM Eduard Drenth
> ><edrenth using fryske-akademy.nl>
> >wrote:
> >
> >> Dear all,
> >>
> >> As a java developer I prefer to develop rest services using jax-rs.
> >>
> >> Now I developed a service that executes Rscript (Using
> >ProcessBuilder),
> >> sends text to stdin of the process and reads from stdout of the
> >> process.
> >>
> >> Works fine, but this is inefficient, because every call reloads all
> >> that is needed.
> >>
> >> I have looked into this:
> >>
> >> https://github.com/microsoft/java-client-library
> >> https://rforge.net/Rserve/
> >> several other sources on stackoverflow etc.
> >>
> >> A lot of these sources seem old or not maintained.
> >>
> >> Now my question: Is there a preferred and maintained way to
> >efficiently
> >> call R from Java? Preferrably available in maven central?
> >>
> >> Regards, Eduard
> >>
> >>
> >> --
> >> Eduard Drenth, Software Architekt
> >>
> >> edrenth using fryske-akademy.nl
> >>
> >> Doelestrjitte 8
> >> 8911 DX  Ljouwert
> >> +31 58 234 30 47
> >> +31 62 094 34 28 (privé)
> >>
> >> skype: eduarddrenth
> >> https://github.com/eduarddrenth
> >> frisian.eu
> >> gpg: https://pgp.surfnet.nl/pks/lookup?search=eduarddrenth
> >>
> >>
> >> Op freed bin ik thús/wurkje ik minder
> >>
> >>
> >>
> >>
> >> ______________________________________________
> >> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> >> https://stat.ethz.ch/mailman/listinfo/r-help
> >> PLEASE do read the posting guide
> >> http://www.R-project.org/posting-guide.html
> >> and provide commented, minimal, self-contained, reproducible code.
> >>
> >
> >       [[alternative HTML version deleted]]
> >
> >______________________________________________
> >R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> >https://stat.ethz.ch/mailman/listinfo/r-help
> >PLEASE do read the posting guide
> >http://www.R-project.org/posting-guide.html
> >and provide commented, minimal, self-contained, reproducible code.
>
> --
> Sent from my phone. Please excuse my brevity.
>

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