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cossim() function different from typical cosine score formula #4

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peterdaniel666 opened this issue Jan 4, 2021 · 0 comments
Open

cossim() function different from typical cosine score formula #4

peterdaniel666 opened this issue Jan 4, 2021 · 0 comments

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@peterdaniel666
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Hi,

cossim() function calculates cosine score using "sum(sqrt(mm[, 2]) * sqrt(mm[, 3])) / (sqrt(sum(mm[, 2])) * sqrt(sum(mm[, 3])))", which is different from the typical formula "x * y / ||x|| * ||y||". I was wondering why is that?
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@peterdaniel666