[R] Add encoded special characters (greek characters) as text to plot

[Jeff Newmiller]

You are welcome, but you have not yet followed the Posting Guide instructions, so you may not have prompted someone familiar with your situation to respond yet.
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Sent from my phone. Please excuse my brevity.

On December 20, 2014 5:14:25 PM PST, heyi xiao <xiaoheyiyh at yahoo.com> wrote:
>Thank you all for the input. That helps, although I haven’t get the
>exact solution..
>
>--------------------------------------------
>On Thu, 12/18/14, Chel Hee Lee <chl948 at mail.usask.ca> wrote:
>
>Subject: Re: [R] Add encoded special characters (greek characters) as
>text to plot
>To: "Jeff Newmiller" <jdnewmil at dcn.davis.ca.us>, "heyi xiao"
><xiaoheyiyh at yahoo.com>, "heyi xiao via R-help" <r-help at r-project.org>
> Date: Thursday, December 18, 2014, 3:43 PM
> 
> Why don't you try
> this approach if you cannot use 'expression()'?
> 
>  > x <-
> c("alpha", "beta", "gamma",
> "delta")
>  > plot(0,
> type="n")
>  > for(i in
> 1:length(x)) text(x=1, y=i/10, labels=parse(text=x[i]))
> 
> Please see the output in R. 
> Is this what you are looking for?  I hope 
> this helps.  I would also appreciate it if you
> would provide 
> reproducible examples next
> time.
> 
> Chel Hee Lee
> 
> On 12/18/2014 11:48 AM, Jeff
> Newmiller wrote:
> > Read the posting
> guide. The solution is likely to depend on your operating
> system and graphics devices.
> >
>---------------------------------------------------------------------------
> > Jeff Newmiller                 
>       The     .....   
>    .....  Go Live...
> >
> DCN:<jdnewmil at dcn.davis.ca.us> 
>       Basics: ##.#.       ##.#.  Live
> Go...
> >                     
>                   Live:   OO#.. Dead:
> OO#..  Playing
> > Research Engineer
> (Solar/Batteries            O.O#.   
>    #.O#.  with
> >
> /Software/Embedded Controllers)           
>    .OO#.       .OO#.  rocks...1k
> >
>---------------------------------------------------------------------------
> > Sent from my phone. Please excuse my
> brevity.
> >
> > On
> December 18, 2014 8:59:47 AM PST, heyi xiao via R-help
> <r-help at r-project.org>
> wrote:
> >> anybody has any hint on
> this?
> >>
> >>
> --------------------------------------------
> >>
> >>
> >> Subject: Add encoded special
> characters (greek characters) as text to
> >> plot
> >> To: r-help at r-project.org
> >> Date: Wednesday, December 17, 2014,
> 9:25 PM
> >>
> >>
> Dear all,
> >> I read my a character
> matrix from a text file. Some of them
> >> have greek characters. To reserve the
> special characters, I
> >> used
> stringsAsFactors=F using read.table. I notice that I
> >> can’t print these character string
> using print(), but I
> >> can use
> cat():
> >>>
> print("LC\246\302")
> >> [1]
> "LC\246\302"
> >>>
> cat("LC\246\302\n")
> >>
> LCβ
> >>
> >> The
> problem is when I add text to my output plot like:
> >> text(x,y,
> labels="LC\246\302")
> >>
> >> I got "LC.. " on my plot.
> Obviously text function doesn’t
> >>
> know what’s "\246\302". I google that encoding,
> and
> >> can’t find exact what that
> is. It doesn’t look like
> >> ascii or
> Unicode. Anybody knows what that is?
> >> Note that I can’t use expression()
> method to pass these
> >> special
> characters because these are read from a text file,
> >> I just can’t include greek
> characters manually that way.
> >> Is
> there a way that I can output these strings with special
> >> characters automatically?
> >> Thank you!
> >>
> Heyi
> >>
> >>
> ______________________________________________
> >> R-help at 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.
> >
> >
> ______________________________________________
> > R-help at 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.
> >