Mara Averick shows us an example of a reproducable example in R, useful when reporting errors:
In honour of the triumphant return of reprex to CRAN, let’s revisit what I refer to as Jenny Bryan’s keys to reprex-cellence. The three keys are as follows:
code that actually runs
code that I don’t have to run
code that can be easily run
Very useful if you want to get help on a problem.