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<url><loc>https://efxa.org/2026/08/26/confidence-ellipses-visualizing-data-distributions-more-clearly/</loc><news:news><news:publication><news:name>Efstathios Chatzikyriakidis</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-08-26T13:09:06+00:00</news:publication_date><news:title>Confidence Ellipses: Visualizing Data Distributions More Clearly</news:title><news:keywords>machine learning, data science, neural networks</news:keywords></news:news></url><url><loc>https://efxa.org/2026/08/26/using-the-second-derivative-to-estimate-the-learning-rate/</loc><news:news><news:publication><news:name>Efstathios Chatzikyriakidis</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-08-26T12:54:44+00:00</news:publication_date><news:title>Using the Second Derivative to Estimate the Learning Rate</news:title><news:keywords>optimization, deep learning, machine learning, gradient descent, neural networks</news:keywords></news:news></url></urlset>
