[R] Error exporting dataframe from Julia to R with Feather

[Bert Gunter]

Jeff:
Fair enough. As I have no data (no experience with crashes), I am happy to
defer to those who do.

Cheers,
Bert

On Thu, Aug 8, 2019 at 10:28 AM Jeff Newmiller <jdnewmil using dcn.davis.ca.us>
wrote:

> If R crashes, RStudio typically also crashes... so not necessarily news to
> them.
>
> I will say that reproducible examples are nearly always necessary in cases
> like this to obtain meaningful answers from anyone, and the output of
> sessionInfo() is also usually needed.
>
> On August 8, 2019 8:35:49 AM PDT, Bert Gunter <bgunter.4567 using gmail.com>
> wrote:
> >That is a better path, I agree.
> >
> >However, I suspect that RStudio would still like to know about the
> >issue,
> >even *if* feather/R is what crashes. They probably do not want RStudio
> >to
> >crash even so.
> >
> >-- Bert
> >
> >On Thu, Aug 8, 2019 at 8:29 AM peter dalgaard <pdalgd using gmail.com> wrote:
> >
> >> Alternatively, try running your example from plain R (in a terminal,
> >> R.app, or Rgui, depending on your platform), and see if the problem
> >occurs
> >> without RStudio in the equation. If it does, then the feather package
> >> probably owns the problem.
> >>
> >> -pd
> >>
> >> > On 8 Aug 2019, at 16:34 , Bert Gunter <bgunter.4567 using gmail.com>
> >wrote:
> >> >
> >> > You may have to contact RStudio about this. RStudio is a separate
> >IDE
> >> > independent of R -- i.e. developed and maintained by a separate
> >> > organization from the R project.
> >> >
> >> > 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 Thu, Aug 8, 2019 at 7:08 AM Luigi Marongiu
> ><marongiu.luigi using gmail.com>
> >> > wrote:
> >> >
> >> >> Hello,
> >> >>
> >> >> since I am encountering a lot of problems exporting dataframes
> >from
> >> >> julia to R (there is always something wrong with the formatting,
> >> >> probably a missing quote) so I am trying to use Feather to do the
> >job.
> >> >>
> >> >> I have installed Feather in Julia with `pkg.add("Feather")` and
> >> >> imported it with `using Feather`. I created a dataframe and saved
> >it
> >> >> with `Feather.write("/dir/dataframe.feather", df)` and it worked.
> >I
> >> >> can even open it back with `df =
> >> >> Feather.read("/dir/dataframe.feather")` and get: `julia> nrow(df)
> >> >> 128544`.
> >> >> The problem is with R. I am using Rstudio to test each step.
> >> >> I installed the package, imported it with `library(feather)` and
> >used it
> >> >> as:
> >> >> ```
> >> >> df = read_feather("/dir/dataframe.feather")
> >> >> ```
> >> >> and then Rstudio simply crashes.
> >> >> any idea why?
> >> >> Thank you
> >> >>
> >> >> ______________________________________________
> >> >> 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.
> >>
> >> --
> >> Peter Dalgaard, Professor,
> >> Center for Statistics, Copenhagen Business School
> >> Solbjerg Plads 3, 2000 Frederiksberg, Denmark
> >> Phone: (+45)38153501
> >> Office: A 4.23
> >> Email: pd.mes using cbs.dk  Priv: PDalgd using gmail.com
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >
> >       [[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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