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[psteinb]

Here is the code.

Note: I am not sure how to run testthat.R with my new code. I added a new unit test for my editions. .travis.yml didn't yield any help on this. The testthat docs hinted at yet another package to use. :/

[nevrome]

Maybe take a quick look at devtools::document() and devtools::test() .

The code looks fine.

[psteinb]

indeed I forgot to add documentation for the new function argument

[psteinb]

I ran

$ Rscript -e 'library(devtools);devtools::document()'

and

$ Rscript -e 'library(devtools);devtools::test()'

without any warnings. But the travis build still fails.

[psteinb]

ready when you are!