Drew Steen
Drew Steen

Reputation: 16617

Write markdown documents with R code that doesn't work, on purpose

I'm experimenting with using Markdown to write homework problems for a course that involves some R coding. Because these are homework sets, I intentionally write code that throws errors;. Is it possible to use Markdown to display R code in the code style without evaluating it (or to trap the errors somehow)?

Upvotes: 3

Views: 322

Answers (1)

Ben Bolker
Ben Bolker

Reputation: 226771

If you're using R markdown, putting eval=FALSE in the chunk options should work. Or use try(). Or, if you're using knitr as well, I believe that the default chunk option error=FALSE doesn't actually stop the compilation when it encounters an error, but just proceeds to the next chunk (which sometimes drives me crazy).

Upvotes: 5

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