Author: Will Landau
Data analysis can be slow. A round of scientific computation can take several minutes, hours, or even days to complete. After it finishes, if you update your code or data, your hard-earned results may no longer be valid. How much of that valuable output can you keep, and how much do you need to update? How much runtime must you endure all over again?.."
Read the tech note here: https://ropensci.org/technotes/2019/03/18/drake-700/