Quantco

Best practices for polars data processing with dataframely. Covers definitions of Schema and Collection, usage of .validate() and .filter(), type hints, and testing. Use when writing or modifying code involving dataframely or polars data frames.

Write and run one-off quant-ranger custom updaters. Use when asked to iterate over repositories with quant-ranger — applying a change, auditing state, or collecting information — or to write, debug, or run a CustomFileUpdater Python file.