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I have a sentiment analysis dataset that is labeled in three categories: positive, negative, and neutral. I also have a list of words (mostly nouns), for which I want to calculate the sentiment value, to understand "how" (positively or negatively) these entities were talked about in the dataset. I have read some online resources like blogs and thought about a couple of approaches for calculating the sentiment score for a particular word X.

  1. Calculate how many data instances (sentences) which have the word X in those, have "positive" labels, have "negative" labels, and "neutral" labels. Then, calculate the weighted average sentiment for that word.

  2. Take a generic untrained BERT architecture, and then train it using the dataset. Then, pass each word from the list to that trained model to get the sentiment scores for the word.

Does any of these approaches make sense? If so, can you suggest some related works that I can look at? If these approaches don't make sense, could you please advise how I can calculate the sentiment score for a word, in a given dataset?

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