December 2020
Beginner to intermediate
448 pages
11h 21m
English
book
Predictive Analytics: Data Mining, Machine Learning and Data Science for Practitioners, 2nd Edition
by Dursun Delen
Content preview from Predictive Analytics: Data Mining, Machine Learning and Data Science for Practitioners, 2nd Edition
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Text Analytics, Topic Modeling, and Sentiment Analysis
The information age that we are living in is characterized by rapid growth in the amount of data and information collected, stored, and made available in electronic format. The vast majority of business data is stored in text documents that are virtually unstructured. According to a study by Merrill Lynch and Gartner, 85% of all corporate data is captured and stored in some sort of unstructured form (McKnight, 2005). The same study also stated that this unstructured data is doubling in size every 18 months. Because knowledge is power in today’s business world, and knowledge is derived from data and information, businesses that effectively and efficiently tap into their text data sources ...