Skip to main content

Python library for pareto front extraction

Project description

# pypareto Pypareto is a Python library for pareto front seaching. ## Usage ComparisonChain.split_by_pareto performs the pareto front split fronts.

Currently this works only for unique rows. You can add id as the last row (and not sort by it) to work around this restriction.

Here the None means just inferior value:

>>> values = [(0,None,None), (2,2,2), (0,1,1), (0,0,1), (None,0,1), (0,1,0), (None,1,1), (1,0,0), (0,0,0)]
>>> chain = Comparison(by_value, MaxMinList(MaxMin.MAX, MaxMin.MAX, MaxMin.MAX)).as_chain()
>>> chain.split_by_pareto(values)
[[(2, 2, 2)], [(0, 1, 1), (1, 0, 0)], [(0, 0, 1), (0, 1, 0), (None, 1, 1)], [(None, 0, 1), (0, 0, 0)], [(0, None, None)]]

Here one extra None means that the whole row is inferior:

>>> values = [(0,None,None), (2,2,2), (0,1,1), (0,0,1), (None,0,1), (0,1,0), (None,1,1), (1,0,0), (0,0,0), (None, 0, None)]
>>> chain = GroupNones(MaxMinList(MaxMin.MIN, MaxMin.MIN, MaxMin.MIN)).and_then(
...    Comparison(by_value, MaxMinList(MaxMin.MAX, MaxMin.MAX, MaxMin.MAX)))
>>> chain.split_by_pareto(values)
[[(2, 2, 2)], [(0, 1, 1), (1, 0, 0)], [(0, 0, 1), (0, 1, 0)], [(0, 0, 0)], [(None, 1, 1)], [(None, 0, 1)], [(0, None, None), (None, 0, None)]]

Project details


Download files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

Files for pypareto, version 0.3.0
Filename, size File type Python version Upload date Hashes
Filename, size pypareto-0.3.0-py3-none-any.whl (6.3 kB) File type Wheel Python version py3 Upload date Hashes View

Supported by

AWS AWS Cloud computing Datadog Datadog Monitoring Facebook / Instagram Facebook / Instagram PSF Sponsor Fastly Fastly CDN Google Google Object Storage and Download Analytics Microsoft Microsoft PSF Sponsor Pingdom Pingdom Monitoring Salesforce Salesforce PSF Sponsor Sentry Sentry Error logging StatusPage StatusPage Status page