Why Case and Spacing Matter
How tiny differences create false mismatches.
The Matching Problem
To a computer, two strings match only if every character is identical. So Apple and apple look like two completely different words, even though you read them the same. 🤔
Same Word, Different Look
Human language is messy. The same idea shows up as Run, run, and RUN, but raw text treats each one as a separate token with its own count.
All lessons in this course
- Why Case and Spacing Matter
- Lowercasing and Stripping Whitespace
- Stemming: Chopping to the Root
- Lemmatization: Smarter Base Forms