I'm trying to figure this out:
Would someone care to explain how one would go about using this function? More specifically, I don't understand the interval part, how does one count the intervals? Hope this is not to broad...
2026-03-26 12:53:07.1774529587
Frequency of Words in Document
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What he appears to be calculating is the clustering of the uses of a word. Say you have a book which uses a given word $1000$ times. $x$ is the word, and then $f(x)=1000$. Maybe all the uses are within a couple pages of each other, or maybe the uses are evenly spread through the book. He divides the book into thousandths (the intervals) and counts how many of them include the word at least once. If the word is evenly spread, it will be in lots of the intervals (maybe all of them) and RF(x) will approach $1000$. If the usage is clumped, only a few intervals will include the word and RF(x) will be small.