Coursera: Building an R Package

Review criteria

For this assignment you'll submit a link to the GitHub repository which contains your package. This assessment will ask reviewers the following questions:

1. Does this package contain the correct R file(s) under the R/ directory?
2. Does this package contain a man/ directory with corresponding documentation files?
3. Does this package contain a vignette which provides a meaningful description of the package and how it should be used?
4. Does this package have at least one test included in the tests/ directory?
5. Does this package have a NAMESPACE file?
6. Does the README.md file for this directory have a Travis badge?
7. Is the build of this package passing on Travis?
8. Are the build logs for this package on Travis free of any errors, warnings, or notes?