Pre-processing text data for topic modeling and sentiment analysis

Sentiment analysis and topic modeling are one of the important applications of text mining. Also, in the medical field, biomedical text mining plays an important role in discovering new drugs, side effect, and much more. Before performing the analysis, it is obvious to do pre-processing of the text data. In this recipe, you will learn to do pre-processing to prepare the text data for text mining applications.

Getting ready

Suppose you want to perform topic modeling of the abstract extracted from PubMed by doing a literature search using "Deep Learning" as keyword. The objective is to see what the possible topics and subject areas are where the deep...