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[QUOTE="Munyaradzi Mafaro, post: 32338, member: 636"]
TF-IDF helps find important words in documents. It measures how much a word matters by checking how often it appears in your text compared to other texts. This smart method spots words that make your content special.

If a word shows up many times in your document but not much in other documents, TF-IDF gives it a high score. This means the word probably matters a lot for understanding what your document is about. Words that appear everywhere, such as "the" or "and," get low scores because they don't tell us anything specific about your content.

Search engines use TF-IDF to figure out what pages talk about. Writers can use it to check if they included enough important terms in their articles. It helps make sure your content stays focused on your main topic without stuffing in keywords unnaturally.

The math behind TF-IDF looks at two things: how often a word appears in your document and how rare that word is across all documents. This creates a balance that finds truly meaningful terms. You can use TF-IDF tools online to analyze your writing and discover which words make your content stand out from others.
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