https://github.com/kyzhouhzau/machine_learning

https://github.com/kyzhouhzau/machine_learning

Last synced: 3 months ago
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• Host: GitHub
• URL: https://github.com/kyzhouhzau/machine_learning
• Owner: kyzhouhzau
• Created: 2018-09-21T13:07:03.000Z (about 7 years ago)
• Default Branch: master
• Last Pushed: 2018-11-02T12:04:59.000Z (almost 7 years ago)
• Last Synced: 2025-03-16T00:11:18.710Z (7 months ago)
• Language: Jupyter Notebook
• Size: 89.8 KB
• Stars: 2
• Watchers: 0
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# Machine_learning

# 算法实现：

### 一、PCA.py:实现PCA算法

+ 数据：以[1,3,5]为主成分,并添加高斯噪声，构建数据集。

![pca](./pca.png)

### 二、PCA.ipynb

+ 用pca做数据降维

### 三、evaluate.py

+ 实现F-score,加权F-score

### 四、boosting tree.py

+ 实现，回归问题下提升树算法。