Chapter 8
Sentiment Analysis of Twitter Data
Section 3
Sentiment Analysis Upon Tweets –Classification-Based Algorithms
Classification problem requires the labeling of input data into required classes based on some defined characteristics of each class. In this video, we will perform opinion mining using classification algorithms such as SVM and boosting. We will also touch upon ensemble methods and see how they help to improve performance. - Builds a sentiment classifier using the default values - Use the best model and evaluate predictions - Prepare ROC curves by reusing utility script performance_plot_utils.R