In this video, learn about a text document for purposes of analytics.
- [Instructor] The next concept we need to look into … is that of a corpus. … The plural of a corpus is copora. … In text mining, a corpus is a collection of documents. … Documents inside a corpus are related to each other … either by entity or by time periods. … For example, a corpus may contain all reviews … for a given product in a month, … or log files generated in a day by a software process, … or all tweets by a Twitter user. … A corpus is equivalent of a table in a database … for comparison reasons. … What makes up a corpus may vary depending upon … the specific use case. … For example, all reviews by a user, … all reviews for a product, … or the global list of reviews in the system … can all be examples of corpora. … Text mining libraries work with a corpus, … hence converting text data to a corpus … and understanding its structure are important capabilities. … …
- Text mining today
- Reading text files using Python
- Cleansing text data
- Build n-grams databases for text predictions
- Preparing TF-IDF matrices for machine learning
- Scaling text processing for performance
Skill Level Intermediate
Processing Text with R Essential Trainingwith Kumaran Ponnambalam55m 57s Intermediate
1. Text Mining
2. Reading Text
3. Text Cleansing and Extraction
4. Advanced Text Processing
5. Best Practices
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