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The shortest yet efficient implementation of the famous sequential pattern mining algorithm PrefixSpan in Python.

License: MIT License

Python 100.00%

prefixspan-py's Introduction

The shortest yet efficient PrefixSpan implementation in Python, in only 12 lines in core part.

Usage

Just replace the variable db with your own sequences, and variable minsup with your own minimum support threshold.

Features

Based on state-of-the-art PrefixSpan algorithm. Mining top-k patterns is also supported.

Tip

I strongly encourage using PyPy instead of CPython to run the script for best performance. In my own experience, it is 9x times faster in average.

prefixspan-py's People

Contributors

chuanconggao avatar

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