Extensive Survey on Feature Extraction and Feature Selection Techniques for Sentiment Classification in Social Media
Santosh D. Kumar, Aruchamy Rajini · 2019
Data Mining is a process of generating new information from the existing datasets involving the machine learning, statistics and database systems. Major role of data mining is to turn raw data into useful information by using mathematical algorithms for predicting future events. Data mining is known as knowledge discovery in data (KDD). The key properties of data mining are automatic discovery of patterns, prediction of likely outcomes, creation of actionable information and focuses on large datasets and database. Mining the information related to a content-oriented extraction on the basics of feature of data. For accessing the features of data that is data retrieval can be done by feature extraction mechanism. Various feature extraction methods have been used along with a feature selection algorithm for mining the large datasets.