Chances are that you used R packages before, but did you know you can write your own? Moreover, did you know that this can be a brilliant idea? Packaging helps you creating a more robust, more reproducible, and more enjoyable scientific coding experience. And by contributing a package, you will add to the ever growing capabilities of the R language!Chances are that you used R packages before, but did you know you can write your own? Moreover, did you know that this can be a brilliant idea? Packaging helps you creating a more robust, more reproducible, and more enjoyable scientific coding experience. And by contributing a package, you will add to the ever growing capabilities of the R language!This lesson teaches the basics for writing your own packages in R.