Chapter 38 Search GitHub
38.1 Basic resources
Read-only mirror of R source by Winston Chang:
Read-only mirror of all packages on CRAN by Gábor Csárdi:
38.2 Use case
What if a function in a package has no examples? Or is poorly exampled? Wouldn’t it be nice to find functioning instances of it “in the wild”?
Via Twitter, Noam Ross taught me a clever way to do such searches on GitHub. Put this into the GitHub search box to see how packages on CRAN use the
llply() function from
Or just click here.
Another example that recently came up on r-package-devel:
How to see lots of examples of roxygen templates?
This search finds >1400 examples of roxygen templates in the wild: