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High-dimensional embedding generation library

Project description

HiDi is a library for high-dimensional embedding generation for collaborative filtering applications.

Read the full documentation.

How Do I Use It?

This will get you started.

from hidi import inout, clean, matrix, pipeline

# CSV file with link_id and item_id columns
in_files = ['hidi/examples/data/user-item.csv']

# File to write output data to
outfile = 'embeddings.csv'

transforms = [
    inout.ReadTransform(in_files),      # Read data from disk
    clean.DedupeTransform(),            # Dedupe it
    matrix.SparseTransform(),           # Make a sparse user*item matrix
    matrix.SimilarityTransform(),       # To item*item similarity matrix
    matrix.SVDTransform(),              # Perform SVD dimensionality reduction
    matrix.ItemsMatrixToDFTransform(),  # Make a DataFrame with an index
    inout.WriteTransform(outfile)       # Write results to csv

pl = pipeline.Pipeline(transforms)



HiDi is tested against CPython 2.7, 3.4, 3.5, and 3.6. It may work with different version of CPython.


To install HiDi, simply run

$ pip install hidi

Run the Tests

$ pip install tox
$ tox

Project details

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