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Asked: 2026-05-21T03:37:05+00:00

I’ve just started using Sweave on TeXShop ( which runs on OSX). Is it

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I’ve just started using Sweave on TeXShop ( which runs on OSX). Is it possible to have syntax coloring of the source code so that I can distinguish between raw text and R-code?

For example, the following code snippet in my Sweave file is the same as the rest of the text, which makes it harder to read than an R editor that has syntax coloring.

<<reg, fig=TRUE, echo=FALSE>>=
a = c(10,15)
plot(a, a)
@

(I have also tried this out using the wonderful RStudio which does have syntax coloring for both R and Latex, but I think TexShop is superior for LaTeX.)

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1 Answer

  1. Editorial Team

    I don’t believe TexShop supports mode switching (e.g. highlighting in two different languages–R and LaTeX–within the same file), since it was designed around a single language (LaTeX). Editors that do and therefore properly handle Sweave are to my knowledge:

    • Eclipse with Stat/ET
    • RStudio
    • Emacs with ESS
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