There is a lot of unstructured data out there, such as news articles, customer feedbacks, Twitter tweets and so on, that contains information and needs to be analyzed. Text mining is a data mining technique that helps us to perform an analysis of this unstructured data.
In this chapter, we'll learn the following:
Preprocessing data
Plotting a wordcloud from data
Word and sentence tokenization
Tagging parts of speech
Stemming and lemmatization
Applying Stanford Named Entity Recognizer