This repository is for the Writing Functions in R course offered by the Data and Analysis R Training Group. Knowing how to write your own functions is a great skill to add to your R toolbox. Writing ...

The dfdr package implements a simple version of automatic differentiation. It takes functions that consist of a single expression and construct the derivative with respect to a specific variable. To ...

Note the column name, mpg, is unquoted. That feature hasn’t been handy, though, if you want to write your own R functions using the tidyverse. That’s because base R functions usually need quoted ...