https://blog.lgcode.me/tags/machine-learning/ Recent content in Machine-Learning on lgcode Hugo en-us Wed, 26 Aug 2026 09:00:00 -0300 https://blog.lgcode.me/posts/a-classifier-that-can-say-not-mine/ Wed, 26 Aug 2026 09:00:00 -0300 https://blog.lgcode.me/posts/a-classifier-that-can-say-not-mine/ Almost all classification writing assumes a closed set. In production you need three answers, not two — and "wrong family entirely" is a different failure from "unsure which one". https://blog.lgcode.me/posts/dont-resize-your-textures-away/ Wed, 12 Aug 2026 09:00:00 -0300 https://blog.lgcode.me/posts/dont-resize-your-textures-away/ One class was hopeless and the rest were fine. The model was never the problem — a Resize() at the top of the transform destroyed the only signal that separated them. Right diagnosis, over-applied fix. https://blog.lgcode.me/posts/the-validation-split-that-flattered-every-number/ Sun, 09 Aug 2026 09:00:00 -0300 https://blog.lgcode.me/posts/the-validation-split-that-flattered-every-number/ 94% of my validation set was in training under a different filename. Fixing it dropped the numbers, the field benchmark said the leaked model was still better — and the field benchmark was broken too.