PSYCH 2H03 Lecture Notes - Lecture 9: Visual Acuity, Sentiment Analysis, Agnosia
21 Mar 2016
School
Department
Course
Professor
Document Summary
Use tech to explore psych questions in music. Use comp science to explore psych questions in music. Artificial neural network: give them data and train the neural networks. After it"s practiced, you can ask to do things. Natural lang processing involves natural language understanding, that is, enabling computers to derive meaning from human or natural lang input, and others involve natural lang generation. Siri is based on natural lang processing or base analysis: understanding emotional content of text, understanding human speech, object character recognition, spam filters. Clean the data : split and tokenize words/phrases (bigrams/trigrams) Count the freq of words/phrases for entire corpus. Order and rank words by total count for metric. Calculate score for an item in the corpus based on ordered rank. Sentiment analysis know about syntax, grammar, can perform better than artificial brains. Python is better than human intelligence with sentiment analysis. Requires a lot of practice for machine to learn.
