· Xiaojing Yang · NLP and LLMs
Attention Mechanism
Attention as a learned way to decide what context matters for each token.
Attention as a learned way to decide what context matters for each token.
Bias and variance explain why both too-simple and too-flexible models can fail.
A practical diagnosis map for underfitting, overfitting, model complexity, and generalization.
Bootstrap resampling estimates uncertainty by repeatedly reusing the observed test set.
A model score without uncertainty is easy to read but easy to overtrust.
Correlation is useful evidence, but causal claims require stronger design and stronger assumptions.