52. Text Cleaning and TF-IDF in Python
TF-IDF — shabda la smart weight. fit train var; test la transform. ngram, stop_words. Hinglish expectations clear. Chala.
What you will learn in this chapter
- TF-IDF intuition with an India story
- TfidfVectorizer beginner knobs
- Hinglish / messy text tips
- Inspect vocabulary and sparse rows
- Practice before the sentiment project
Fictional data
Blinkit / Amazon Now / Mauli Dairy figures in this chapter are fictional sample data for learning only. They do not show real company numbers. People names are for practice; e-mails use example.com.
Concepts in this chapter
- 52.1TF-IDF Intuition
- 52.2TfidfVectorizer Beginner Knobs
- 52.3Hinglish and Messy Text Tips
- 52.4Inspect Vocabulary and Rows
- 52.5Practice, Tip and Close
The chapter recap is at the end of the last concept page.