LLaMA models encode binary sentiment most strongly in middle layers and emotions in early layers, and truncating the model at the best layer with a probe head yields efficient sentiment classifiers.
(b) Random sample to select the required number of samples for each label
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LLaMAs Have Feelings Too: Unveiling Sentiment and Emotion Representations in LLaMA Models Through Probing
LLaMA models encode binary sentiment most strongly in middle layers and emotions in early layers, and truncating the model at the best layer with a probe head yields efficient sentiment classifiers.