Saturday, 21 November 2015

Cosine Similarity Calculator

Please click to add a row.

This blog post calculates the pairwise Cosine similarity for a user-specifiable number of vectors. All vectors must comprise the same number of elements.

Simply click on the link near the top to add text boxes. Each text box stores a single vector and needs to be filled in with comma separated numbers. All rows need to have the same number of samples.

Alternatively, you can choose two file entry methods:-

  1. Select multiple single column CSV files to populate the text boxes by repeatedly pressing the Choose File button - there must be one distinct (and differently named) file for each text box i.e. one file per group. Each file can have a different number of samples.
  2. Select a single multi-column CSV file by pressing the Choose File button once, where the number of columns equals the number of vectors.

Results pending...


  1. Very handy! Any way you can increase the decimal count?

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