Questions tagged [jaccard-coefficient]

Jaccard coefficient (or jaccard similarity) is a similarity function for computing the similarity between two sets

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What options do I have for measuring similarities by using vectors generated from texts?

I have a data set which contains vectors generated from subtitles, I want to measure the similarity between each pair of the observation. Now I have tried L1, L2, cosine similarity and Mahalanobis ...
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58 views

Jaccard similarity calculate similarity

It is not clear to me how to calculate similarity between two products from the example. How do they calculate that?
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1answer
142 views

Jaccard Similarity with Binary Data

I have 5400 rows of data and 3211 columns of attributes. The first 4 columns are ID/Name/ParentID/ObjectType - the rest of the 3207 columns are the attributes that are to be used for similarity ...
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22 views

When I would use a specific similarity coefficient over another?

Like using Jaccards over Dice. I want real examples, of when I would prefer to use Jaccards, Dice, Cosine or any other similarity coefficient.
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Similarity of search results using Jaccard

I have a set of search results with ranking position, keyword and URL. I want to make a distance matrix so I can cluster the keywords (or the URLs). One approach would be to take the first n URL ...
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1answer
135 views

Efficiently Sending Two Series to a Function For Strings with an application to String Matching (Dice Coefficient)

I am using a Dice Coefficient based function to calculate the similarity of two strings: ...
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2answers
3k views

Jaccard similarity between two items

Calculating similarity between two users is rather straightforward. Consider following example: ...
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1answer
734 views

Implementing Frequently bought together using a DB

We have a classic structure of an online shop database (products, customers, sales) and we want to implement a Frequently bought together feature. Our software is in ASP.NET and we do not know PHP to ...