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Which model when: a practical decision playbook for tabular, text, images, and small data
Model selection gets easier when you stop asking, “What is the best machine-learning model?” and ask a more useful set of questions:
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How transformer self-attention actually works, with a runnable toy
Transformers power modern large language models, image generators, coding assistants, and multimodal AI systems. The core idea behind them is surprisingly compact: self-attention lets every token deci