From morg@n@em@||box @end|ng |rom gm@||@com  Thu Jun  3 00:26:38 2021
From: morg@n@em@||box @end|ng |rom gm@||@com (Morgan Morgan)
Date: Wed, 2 Jun 2021 23:26:38 +0100
Subject: [Rd] How to get utf8 string using R externals
In-Reply-To: <a2b168a4-4fad-9b59-3f3f-083bd7598578@gmail.com>
References: <CANjVfJ0ciTGb9tR3bnYWGS4M=8uTGDsddSBx-4kxkULdyR1XxA@mail.gmail.com>
 <a2b168a4-4fad-9b59-3f3f-083bd7598578@gmail.com>
Message-ID: <CAL0QV_PEFijWz0BnOhqYzSFxBubpLd-jMfY+G1WW+KYujuULVA@mail.gmail.com>

On Wed, 2 Jun 2021, 22:31 Duncan Murdoch, <murdoch.duncan at gmail.com> wrote:

> On 02/06/2021 4:33 p.m., xiaoyan yu wrote:
> > I have a R Script Predict.R:
> >      set.seed(42)
> >      C <- seq(1:1000)
> >      A <- rep(seq(1:200),5)
> >      E <- (seq(1:1000) * (0.8 + (0.4*runif(50, 0, 1))))
> >      L <- ifelse(runif(1000)>.5,1,0)
> >      df <- data.frame(cbind(C, A, E, L))
> > load("C:/Temp/tree.RData")                #  load the model for scoring
> >
> >    P <- as.character(predict(tree_model_1,df,type='class'))
> >
> > Then in a C++ program
> > I call eval to evaluate the script and then findVar the P variable.
> > After get each class label from P using string_elt and then
> > Rf_translateChar, the characters are unicodes (<U+BD80><U+C2E4>) instead
> of
> > utf8 encoding of the korean characters ??.
> > Can I know how to get UTF8 by using R externals?
> >
> > I also found the same script giving utf8 characters in RGui but unicode
> in
> > Rterm.
> > I tried to attach a screenshot but got message "The message's content
> type
> > was not explicitly allowed"
> > In RGui, I saw the output ??, while in Rterm, <U+BD80><U+C2E4>.
>
> Sounds like you're using Windows.  Stop doing that.
>
> Duncan Murdoch
>

Could as well say: "Sounds like you are using R. Stop doing that." Start
using Julia. ;-)



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[Rd] How to get utf8 string using R externals
Morgan Morgan