Validation Geometry Is Part of the Model
The dangerous part was not the classifier. It was the label file sitting there looking convenient. A saved train_y.npy artifact existed, but for this …
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Model Failure Is a Time Series
A quiet model is easy to trust for the wrong reason. The failure mode that forced my hand was not a dramatic crash or an exception in the inference se…
Benchmarking time-series databases for ecommerce infrastructure monitoring
Time-series database performance under ecommerce load: real benchmark results Your monitoring stack becomes your worst enemy during traffic spikes if …
Cointegration and Pairs Trading: When Time Series Move Together
Pairs trading rests on a simple idea: find two assets that move together, wait for them to diverge, and bet on convergence. The hard part is defining …