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Testing Branch

Explorations in machine learning, simulation, and data modeling — practical notebooks and experiments.

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Latest posts

Re-Identification vs Anonymization Strength

2026-02-08 — Exploring how increasing k-anonymity affects data utility and the attacker’s ability to re-identify records.

Using geometry to choose embeddings

2025-11-11 — Empirical evaluation of local geometry in vector embeddings across models and corpora.

Model Equivalence using Z3

2025-11-07 — Using Z3 to prove two ML models are logically equivalent — or extract the exact counterexample where they diverge.

Quantifying Information Loss

2025-10-28 — A quick experiment linking Laplace noise and data resolution, showing how privacy and precision trade off

Model based simulations

2023-06-09 — Bayesian decision making applied to sales opportunities

Noise, Stability, and Calibration

2021-05-01 — How models behave when data gets messy

Extending python with Go

2021-04-03 — A simple example of how GoPy can be used to extend python with Go native code

Subsampling as a strategy to find optimal parameters (2/2)

2021-03-22 — Probing and fusing parameter space explorations

Identifying outliers in time series

2021-02-20 — Observing the impact of outliers in small time series using gaussian processes

Subsampling as a strategy to find optimal parameters (1/2)

2021-02-14 — Using smaller samples to find optimal parameters for machine learning models