International Journal of Engineering Technology, Management and Applied Sciences (IJETMAS)
Data analysis means analyzing the information in order to draw the conclusion and understand the overall situation. In order to understand data machine needs to understand what are sentiments from the input like movie review, news review, product review and comments from blogs or posts or any other social website and give output as positive or negative review. Various algorithms and classifiers are present for sentiment analysis. This paper gives a survey of various classifiers and the approaches used.