From bbo|ker @end|ng |rom gm@||@com  Wed Jun  2 23:36:20 2021
From: bbo|ker @end|ng |rom gm@||@com (Ben Bolker)
Date: Wed, 2 Jun 2021 17:36:20 -0400
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: <e9f78037-b51f-82f0-49b0-3a091c5704e8@gmail.com>



On 6/2/21 5:31 PM, Duncan Murdoch 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


   Shouldn't there be a smiley there somewhere?



[Rd] How to get utf8 string using R externals
Ben Bolker