Selecting the machine learning algorithm
Sentiment analysis is a classification problem. There are some algorithms that can be really helpful for us. In movie reviews, you may discover that there are some phrases that appear quite frequently. If these frequently used phrases indicate some kind of sentiment, most likely, they are phrases that indicate a positive sentiment or a negative sentiment. We need to find phrases that indicate a sentiment. Once we find phrases that indicate sentiment, we just need to classify the sentiment either in a positive sentiment class or a negative sentiment class. In order to find out the actual sentiment class, we need to identify the probability of the most likely positive phrases and most likely negative phrases so that based on a higher probability value, we can identify that the given movie review belongs to a positive or a negative sentiment. The probabilities we will be taking into account are the prior and posterior probability values. This is the...