[R-pkg-devel] Encoding problem

I am trying to add a vignette to xtable showing how to incorporate some
Chinese characters following an enquiry from a user.

I can create the vignette satisfactorily just processing the knitr file
normally, with the resulting pdf displaying Chinese characters in the R
code and also as headings when I produce a table. However when I try to
build the package with the vignette included, I get:

* creating vignettes ...Warning: running command
'"C:/PROGRA~1/R/R-33~1.2/bin/x64/Rscript" --vanilla
 ERROR
Error: Vignette 'ChineseCharacters.Rnw' is non-ASCII but has no declared
encoding
Execution halted
make: *** [build] Error 1

I updated R to 3.3.2 and Rtools to 33 before running the build.

The vignette starts as follows:

%\VignetteIndexEntry{xtable Chinese Characters}
%\VignetteDepends{xtable}
%\VignetteKeywords{LaTeX, HTML, table}
%\VignettePackage{xtable}
% !Rnw weave = knitr
% \VignetteEngine{knitr::knitr}
%!\VignetteEncoding{UTF-8}
%***********************************************************
***************
\documentclass{ctexart}
\usepackage{longtable}
\usepackage{booktabs}
\usepackage{array}
\usepackage{hyperref}
\usepackage{inputenx}

The section of the file which is not ASCII is:

<<preparedata>>=
### Prepare data
library(knitr)
library(xtable)

tbl <- data.frame(positivePairs = 0, negativePairs = 0,
                  avePositiveSpread = NA,
                  aveNegativeSpread = NA,
                  PnL = 435, sumPnL = 144358.7)
names(tbl) <- c("????????", "????????", "????????????????",
                "????????????????", "????????", "????????")
@

I am a bit of a novice at encodings, and know nothing about Chinese
characters so any advice is welcome.

David Scott



--

Dear David,

Have you tried removing the exclamation mark in 
%!\VignetteEncoding{UTF-8}? I think it should be %\VignetteEncoding{UTF-8}

Best regards,

ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek / Research Institute for Nature 
and Forest
team Biometrie & Kwaliteitszorg / team Biometrics & Quality Assurance
Kliniekstraat 25
1070 Anderlecht
Belgium

To call in the statistician after the experiment is done may be no 
more than asking him to perform a post-mortem examination: he may be 
able to say what the experiment died of. ~ Sir Ronald Aylmer Fisher
The plural of anecdote is not data. ~ Roger Brinner
The combination of some data and an aching desire for an answer does 
not ensure that a reasonable answer can be extracted from a given body 
of data. ~ John Tukey

2017-01-29 13:40 GMT+01:00 David Scott <d.scott at auckland.ac.nz 
<mailto:d.scott at auckland.ac.nz>>:

    I am trying to add a vignette to xtable showing how to incorporate
    some Chinese characters following an enquiry from a user.

    I can create the vignette satisfactorily just processing the knitr
    file normally, with the resulting pdf displaying Chinese
    characters in the R code and also as headings when I produce a
    table. However when I try to build the package with the vignette
    included, I get:

    * creating vignettes ...Warning: running command
    '"C:/PROGRA~1/R/R-33~1.2/bin/x64/Rscript" --vanilla
     ERROR
    Error: Vignette 'ChineseCharacters.Rnw' is non-ASCII but has no
    declared encoding
    Execution halted
    make: *** [build] Error 1

    I updated R to 3.3.2 and Rtools to 33 before running the build.

    The vignette starts as follows:

    %\VignetteIndexEntry{xtable Chinese Characters}
    %\VignetteDepends{xtable}
    %\VignetteKeywords{LaTeX, HTML, table}
    %\VignettePackage{xtable}
    % !Rnw weave = knitr
    % \VignetteEngine{knitr::knitr}
    %!\VignetteEncoding{UTF-8}
    %**************************************************************************
    \documentclass{ctexart}
    \usepackage{longtable}
    \usepackage{booktabs}
    \usepackage{array}
    \usepackage{hyperref}
    \usepackage{inputenx}

    The section of the file which is not ASCII is:

    <<preparedata>>=
    ### Prepare data
    library(knitr)
    library(xtable)

    tbl <- data.frame(positivePairs = 0, negativePairs = 0,
                      avePositiveSpread = NA,
                      aveNegativeSpread = NA,
                      PnL = 435, sumPnL = 144358.7)
    names(tbl) <- c("????????", "????????", "????????????????",
                    "????????????????", "????????", "????????")
    @

    I am a bit of a novice at encodings, and know nothing about
    Chinese characters so any advice is welcome.

    David Scott



    --