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توضیحات

Decision tree classifier implemented using gini index splitting

ویژگی	مقدار
سیستم عامل	-
نام فایل	deeptree-0.0.2
نام	deeptree
نسخه کتابخانه	0.0.2
نگهدارنده	[]
ایمیل نگهدارنده	[]
نویسنده	-
ایمیل نویسنده	Alan Abraham <alan.abraham.tm@gmail.com>
آدرس صفحه اصلی	-
آدرس اینترنتی	https://pypi.org/project/deeptree/
مجوز	MIT License Copyright (c) 2023 Alan Abraham Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

# DEEPTREE A simple Decision Tree Classifier ## Overview This project is a custom implementation of a decision tree classifier inspired from [scikit-learn-decision-tree-classifier](https://scikit-learn.org/stable/modules/generated/sklearn.tree.DecisionTreeClassifier.html). The classifier is built from scratch without any external dependencies. Gini index is used by the classifier to construct the decision tree. Using the gini index for partitioning has allowed the classifier to handle both continuous and categorical features. This allows the classifier to be used in a wider range of applications and datasets. In addition, the classifier also includes a basic tree printing functionality, which can be used to visualize the tree structure and gain a better understanding of how the classifier is making its decisions. ## Features * No external dependencies * Handles both continuous and categorical features * Uses Gini index to measure impurity of partion * Includes basic tree printing functionality for tree visualization # Requirements Python 3.x [Optional] Any text editor or IDE of your choice for editing the code. # Installation deeptree can be installed using the following command: ``` pip install deeptree ``` or ``` pip3 install deeptree ``` # Dependencies deeptree is built using only in built python libraries. ## Functionalities The functions in deeptree package come as part of two classes Node and Classifier. The functions are:- ### deeptree.Node.get_feature_midpoints(i=0) This function finds the midpoints for any continuous feature corresponding to index 'i' in the dataset. ### deeptree.Node.get_splitting_subsets(i=0) This function finds the splitting subsets for any discrete feature corresponding to index 'i' in the dataset. ### deeptree.Node.get_gini_value() This function calculates the gini value of the deeptree node. ### deeptree.Classifier.fit(dataset=[],label_index=-1) This function trains the decision tree classifier on the given dataset. ### deeptree.Classifier.predict(dataset=[]): This function predicts the labels/classes of the given dataset. ### deeptree.Classifier.print_tree(node, level=0) This function prints the structure of the decision tree with the details at each node. Example on how to use deeptree are provided in example.py. The example is based on the [iris.data](https://archive.ics.uci.edu/ml/machine-learning-databases/iris/iris.data) dataset downloaded from [UCI achine learning repository](https://archive.ics.uci.edu/ml/index.php). ## License MIT License ## Acknowledgments The source code for this project was created as part of one of the courseworks for MSc. Data Science program at Lancaster University. Thanks to Leandro Soriano Marcolino for his amazing classes and this coursework topic.

زبان مورد نیاز

مقدار	نام
>=3.7	Python

نحوه نصب

نصب پکیج whl deeptree-0.0.2:

pip install deeptree-0.0.2.whl

نصب پکیج tar.gz deeptree-0.0.2:

pip install deeptree-0.0.2.tar.gz