v0.18.0

New Features

• Added several validation methods that work on aggregates of column values (e.g., col_sum_gt(), col_sd_lt(), etc.). (@tylerriccio33, #332)

Fixes

• Implemented fix for handling datetime strings in _apply_segments(). (#337)
• Added reference data as a default for aggregation comparison values. (@tylerriccio33, #339)
• Add experimental gradual typing for development. (@tylerriccio33, #198, #338)
• Improved the display of aggregation-type methods in the validation report. (#342)

Docs

• Updated the reference API with aggregate check methods. (#340)

Full Changelog: v0.17.0...v0.18.0