wide-product implements a partial, column-wise Khatri-Rao product. It is fast, and works on sparse matrices.

It can be useful for engineering of cross-features for machine learning.

Definition

For a pair of scalars (~ one by one matrices), the wide product is multiplication:

wide_product ( [[a]], [[b]] ) == [[a * b]]

Where matrices are constructed by vertical stacking, the product is row-wise:

wide_product ( vstack((A, B)), vstack((C, D)) ) ==
    vstack((wide_product(A, C),
            wide_product(B, D)))

Where matrices are constructed by horizontal stacking, the product contains all the products of the subcomponents up to permutation of columns:

wide_product ( hstack((A, B)), hstack((C, D)) ) ==
    hstack((wide_product(A, C),
            wide_product(A, D),
            wide_product(B, C),
            wide_product(B, D)))

Installation

pip install wide-product

Development

To build the module:

python setup.py build

To test:

PYTHONPATH=$(echo build/lib*):. py.test

To install:

pip install .

Project links

Key dates

PyPI data
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  • Released:
Latest release

1 maintainer

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Avatar for thread-eng from gravatar.com thread-eng

Credits

Author: Thread Tech

License

MIT License (MIT)

Requires

Python >=3.7

Tags

numpy scipy matrix sparse khatri-rao product science feature courgette

Classifiers

Report project as malware

Metadata

Project links

Key dates

PyPI data
Data sourced directly from PyPI's database.
  • Released:
Latest release

1 maintainer

PyPI data
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Avatar for thread-eng from gravatar.com thread-eng

Credits

Author: Thread Tech

License

MIT License (MIT)

Requires

Python >=3.7

Tags

numpy scipy matrix sparse khatri-rao product science feature courgette

Classifiers

Report project as malware

Release files for wide-product 0.1.1

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Source distribution for wide-product 0.1.1
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Built distributions (wheels)

Table of built distributions (wheels) for wide-product 0.1.1
File
wide_product-0.1.1-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl 20.1 kB CPython 3.11 CPython 3.11 Linux glibc 2.17+ ARM64 Details
wide_product-0.1.1-cp311-cp311-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl 20.2 kB CPython 3.11 CPython 3.11 Linux glibc 2.5+ x86-64, Linux glibc 2.17+ x86-64 Details
wide_product-0.1.1-cp311-cp311-macosx_10_9_x86_64.whl 10.2 kB CPython 3.11 CPython 3.11 macOS 10.9+ x86-64 Details
wide_product-0.1.1-cp311-cp311-macosx_10_9_universal2.whl 16.4 kB CPython 3.11 CPython 3.11 macOS 10.9+ universal2 (ARM64, x86-64) Details
wide_product-0.1.1-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl 20.1 kB CPython 3.10 CPython 3.10 Linux glibc 2.17+ ARM64 Details
wide_product-0.1.1-cp310-cp310-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl 20.2 kB CPython 3.10 CPython 3.10 Linux glibc 2.5+ x86-64, Linux glibc 2.17+ x86-64 Details
wide_product-0.1.1-cp310-cp310-macosx_10_9_x86_64.whl 10.2 kB CPython 3.10 CPython 3.10 macOS 10.9+ x86-64 Details
wide_product-0.1.1-cp310-cp310-macosx_10_9_universal2.whl 16.4 kB CPython 3.10 CPython 3.10 macOS 10.9+ universal2 (ARM64, x86-64) Details
wide_product-0.1.1-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl 20.1 kB CPython 3.9 CPython 3.9 Linux glibc 2.17+ ARM64 Details
wide_product-0.1.1-cp39-cp39-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl 20.2 kB CPython 3.9 CPython 3.9 Linux glibc 2.5+ x86-64, Linux glibc 2.17+ x86-64 Details
wide_product-0.1.1-cp39-cp39-macosx_10_9_x86_64.whl 10.2 kB CPython 3.9 CPython 3.9 macOS 10.9+ x86-64 Details
wide_product-0.1.1-cp39-cp39-macosx_10_9_universal2.whl 16.4 kB CPython 3.9 CPython 3.9 macOS 10.9+ universal2 (ARM64, x86-64) Details
wide_product-0.1.1-cp38-cp38-manylinux_2_17_aarch64.manylinux2014_aarch64.whl 20.3 kB CPython 3.8 CPython 3.8 Linux glibc 2.17+ ARM64 Details
wide_product-0.1.1-cp38-cp38-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl 20.3 kB CPython 3.8 CPython 3.8 Linux glibc 2.17+ x86-64, Linux glibc 2.5+ x86-64 Details
wide_product-0.1.1-cp38-cp38-macosx_10_9_x86_64.whl 10.2 kB CPython 3.8 CPython 3.8 macOS 10.9+ x86-64 Details
wide_product-0.1.1-cp38-cp38-macosx_10_9_universal2.whl 16.4 kB CPython 3.8 CPython 3.8 macOS 10.9+ universal2 (ARM64, x86-64) Details
wide_product-0.1.1-cp37-cp37m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl 20.1 kB CPython 3.7 CPython 3.7 pymalloc Linux glibc 2.17+ ARM64 Details
wide_product-0.1.1-cp37-cp37m-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl 20.1 kB CPython 3.7 CPython 3.7 pymalloc Linux glibc 2.17+ x86-64, Linux glibc 2.5+ x86-64 Details
wide_product-0.1.1-cp37-cp37m-macosx_10_9_x86_64.whl 10.1 kB CPython 3.7 CPython 3.7 pymalloc macOS 10.9+ x86-64 Details

Total release size: 323.0 kB

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