[R] Knitr: how to find out from within a .Rmd file the output type?

[Jeff Newmiller]

AFAIK markdown is syntactically incompatible with LaTeX, except for math mode expressions. That is why we have separate extensions Rmd and Rnw for the two types of files. I don't know where one could successfully make use of the variable you are asking about.
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Sent from my phone. Please excuse my brevity.

On October 31, 2014 4:56:26 AM PDT, "Michal Kvasnička" <prgosek at gmail.com> wrote:
>Hi.
>
>Is there a way how to find out from within a .Rmd file what output
>format
>is generated?
>
>The reason is this: I write a paper in R markdown in RStudio. Sometimes
>I
>generate .html, sometimes .pdf. My paper presents a table of regression
>models using stargazer function. I've got the following code in my
>paper:
>
>```{r, echo=FALSE, message=FALSE, results='asis'}
>model2 <- lm(...)
>model3 <- lm(...)
>model5 <- lm(...)
>stargazer(model2, model3, model5,
>          ...,
>          type="html")
>```
>
>Whenever I change the output format from .html do .pdf, I have to
>change
>the line type="html" to type="latex" manually. (The same holds true for
>many other functions, e.g. xtable.)
>
>It would be nice to replace the direct declaration with
>
>      type=some_knitr_variable
>
>What is the true name of the some_knitr_variable? I was not able to
>find it
>anywhere.
>
>Many thanks for your help.
>
>Best wishes,
>Michal
>
>	[[alternative HTML version deleted]]
>
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