I prefer the syntax of STAN or edwardlib. Curious why Uber would choose to work on a PPL library in-house as opposed to contributing to existing mature OSS packages
https://www.nyu.edu/about/news-publications/news/2016/decemb...
Seems okay, they are taking cues from Edward/WebPPL, and have some pretty good researchers, headed Gary Marcus.
https://www.recode.net/2017/3/8/14863560/uber-ai-gary-marcus...