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Data Algebra over Polars Ready for Production Use

The data algebra is a system for composing data manipulation tasks in Python. In the data algebra, operator pipelines (or even directed acyclic graphs) are the primary objects. Applying operations composes small data pipelines into larger ones. This allows the fluid specification, inspection, and sharing of data processing and data […]

wvpy Clean Up

Just a quick administrative note. To lower the number of dependencies in our Jupyter to Python converter (text and video tutorial here) I have moved the other data science tools (and their dependencies) out of the wvpy package and into a new package named wvu (“Win Vector University”). This will, […]

Method Warnings

Introduction The data algebra is a Python system for designing data transformations that can be used in Pandas or SQL. The new 1.3.0 version introduces a lot of early checking and warnings to make designing data transforms more convenient and safer. An Example I’d like to demonstrate some of these […]