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Open source2025Maintainer

Sensor data cleaning that shows its work

A small Python library for cleaning noisy time-series from lab equipment, where every transformation is logged and reversible.

Signal

The problem

Preprocessing is where quiet mistakes live. A dropped outlier or a resampled timestamp changes a conclusion, and by the time the plot exists nobody remembers which filters ran in what order.

The approach

Each operation returns both the transformed data and a record of what it did. Stack the operations and you get a pipeline that can explain itself and, where the maths allows, walk itself backwards.