what is sentiment analysis in r
Sentiment analysis means contextual data mining wherein you input a sentence, and it is categorized according to the underlying consumer emotions. A sentiment analysis system for text analysis combines natural language processing (NLP) and machine learning techniques to assign weighted sentiment scores to the entities, topics, themes, and categories within a sentence or phrase. When we look at any sentence, the human brain searches for sentiment-bearing phrases – that is, words and phrases that carry a tone or opinion and tries to interpret it, usually as adjective-noun combinations. We also draw from our previous experiences and accumulated knowledge to identify each sentiment-bearing phrase and interpret their negativity or positivity. This is precisely how computer sentiment analysis works. It involves deep learning and machine learning techniques that “trains” the system to inst...