One usecase: Do you want to do interesting cutting edge modeling of disease propagation dynamics or other complex systems simulation? Then check this out: https://julialang.org/blog/2019/01/fluxdiffeq

Here's context : https://jontysinai.github.io/jekyll/update/2019/01/18/unders...

There's nothing else like it.

Also here's the julia equiv to dplyr: https://github.com/queryverse/Query.jl