![Reproducible Data Science in R: Iterate, don't duplicate](https://waterdata.usgs.gov/blog/static/RDS-iterate/rds_03thumbnail.png)
Iterate your R code using the map() function from the purrr package.
Iterate your R code using the map() function from the purrr package.
Write functions in R that run better and are easier to understand.
Learn the ropes building your own functions in R using water data examples.