Two years ago, I tried to build a SaaS product for monitoring machine learning models. Luckily for you, that product went nowhere, so I figured I ought to share some code rather than let it continue to fester in a private GitHub repo. The monitoring service was designed to ingest data related to model predictions and model outcomes (aka “gold labels” aka “ground truth” aka “what actually happened”). The service would then join and clean this data and eventually spit back out a bun...