TF-IDF Word Detective Lab πŸ•΅οΈβ€β™€οΈπŸ“„

Students edit documents, then the app calculates TF-IDF keywords and highlights important words. Use Challenge Mode to make it a game: students guess keywords first, then reveal scores.
Mode: Guided β€’ Docs: 4

Teacher Controls

Number of documents
Top keywords per document
TF mode (term frequency)
IDF mode (inverse document frequency)
Highlight intensity
Challenge Mode
Tip: For high schoolers, turn on Log TF + Smooth IDF + Stem-Lite and ask: β€œHow do preprocessing choices change the top keywords?”
Ready. Click Analyze TF-IDF.
Click a highlighted word to inspect: tf df idf tfidf

Documents

Edit β†’ Analyze β†’ Discuss