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LAMDA-NJU/Deep-Forest

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Language: Python .

An Efficient, Scalable and Optimized Python Framework for Deep Forest (2021.2.1)

最后发布版本: v0.1.7 ( 2022-10-01 12:05:07)

官方网址 GitHub网址

Deep Forest (DF) 21

|github|_ |readthedocs|_ |codecov|_ |python|_ |pypi|_ |style|_

.. |github| image:: https://github.com/LAMDA-NJU/Deep-Forest/workflows/DeepForest-CI/badge.svg .. _github: https://github.com/LAMDA-NJU/Deep-Forest/actions

.. |readthedocs| image:: https://readthedocs.org/projects/deep-forest/badge/?version=latest .. _readthedocs: https://deep-forest.readthedocs.io

.. |codecov| image:: https://codecov.io/gh/LAMDA-NJU/Deep-Forest/branch/master/graph/badge.svg?token=5BVXOT8RPO .. _codecov: https://codecov.io/gh/LAMDA-NJU/Deep-Forest

.. |python| image:: https://img.shields.io/pypi/pyversions/deep-forest .. _python: https://pypi.org/project/deep-forest/

.. |pypi| image:: https://img.shields.io/pypi/v/deep-forest?color=blue .. _pypi: https://pypi.org/project/deep-forest/

.. |style| image:: https://img.shields.io/badge/code%20style-black-000000.svg .. _style: https://github.com/psf/black

DF21 is an implementation of Deep Forest <https://arxiv.org/pdf/1702.08835.pdf>__ 2021.2.1. It is designed to have the following advantages:

  • Powerful: Better accuracy than existing tree-based ensemble methods.
  • Easy to Use: Less efforts on tunning parameters.
  • Efficient: Fast training speed and high efficiency.
  • Scalable: Capable of handling large-scale data.

DF21 offers an effective & powerful option to the tree-based machine learning algorithms such as Random Forest or GBDT.

For a quick start, please refer to How to Get Started <https://deep-forest.readthedocs.io/en/latest/how_to_get_started.html>. For a detailed guidance on parameter tunning, please refer to Parameters Tunning <https://deep-forest.readthedocs.io/en/latest/parameters_tunning.html>.

DF21 is optimized for what a tree-based ensemble excels at (i.e., tabular data), if you want to use the multi-grained scanning part to better handle structured data like images, please refer to the origin implementation <https://github.com/kingfengji/gcForest>__ for details.

Installation

DF21 can be installed using pip via PyPI <https://pypi.org/project/deep-forest/>__ which is the package installer for Python. You can use pip to install packages from the Python Package Index and other indexes. Refer this <https://pypi.org/project/pip/>__ for the documentation of pip. Use this command to download DF21 :

.. code-block:: bash

pip install deep-forest

Quickstart

Classification


.. code-block:: python

from sklearn.datasets import load_digits
from sklearn.model_selection import train_test_split
from sklearn.metrics import accuracy_score

from deepforest import CascadeForestClassifier

X, y = load_digits(return_X_y=True)
X_train, X_test, y_train, y_test = train_test_split(X, y, random_state=1)
model = CascadeForestClassifier(random_state=1)
model.fit(X_train, y_train)
y_pred = model.predict(X_test)
acc = accuracy_score(y_test, y_pred) * 100
print("\nTesting Accuracy: {:.3f} %".format(acc))
>>> Testing Accuracy: 98.667 %

Regression


.. code-block:: python

from sklearn.datasets import load_boston
from sklearn.model_selection import train_test_split
from sklearn.metrics import mean_squared_error

from deepforest import CascadeForestRegressor

X, y = load_boston(return_X_y=True)
X_train, X_test, y_train, y_test = train_test_split(X, y, random_state=1)
model = CascadeForestRegressor(random_state=1)
model.fit(X_train, y_train)
y_pred = model.predict(X_test)
mse = mean_squared_error(y_test, y_pred)
print("\nTesting MSE: {:.3f}".format(mse))
>>> Testing MSE: 8.068

Resources

  • Documentation <https://deep-forest.readthedocs.io/>__
  • Deep Forest: [Conference] <https://www.ijcai.org/proceedings/2017/0497.pdf>__ | [Journal] <https://academic.oup.com/nsr/article-pdf/6/1/74/30336169/nwy108.pdf>__
  • Keynote at AISTATS 2019: [Slides] <https://aistats.org/aistats2019/0-AISTATS2019-slides-zhi-hua_zhou.pdf>__

Reference

.. code-block:: latex

@article{zhou2019deep,
    title={Deep forest},
    author={Zhi-Hua Zhou and Ji Feng},
    journal={National Science Review},
    volume={6},
    number={1},
    pages={74--86},
    year={2019}}

@inproceedings{zhou2017deep,
    title = {{Deep Forest:} Towards an alternative to deep neural networks},
    author = {Zhi-Hua Zhou and Ji Feng},
    booktitle = {IJCAI},
    pages = {3553--3559},
    year = {2017}}

Thanks to all our contributors

|contributors|

.. |contributors| image:: https://contributors-img.web.app/image?repo=LAMDA-NJU/Deep-Forest .. _contributors: https://github.com/LAMDA-NJU/Deep-Forest/graphs/contributors

最近版本更新:(数据更新于 2024-09-24 02:51:38)

2022-10-01 12:05:07 v0.1.7

2022-09-18 00:25:07 v0.1.6

2021-04-16 18:58:06 v0.1.5

2021-03-11 18:13:06 v0.1.4

2021-02-23 00:25:48 v0.1.3

2021-02-11 11:31:49 v0.1.2

2021-02-07 16:03:21 v0.1.1

主题(topics):

deep-forest, ensemble-learning, machine-learning, python, random-forest

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