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📝 PCA主成分分析,数据降维
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readme.md

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@@ -872,6 +872,7 @@ def runKMeans(X,initial_centroids,max_iters,plot_process):
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## 六、PCA主成分分析(降维)
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- [全部代码](/PCA/PCA.py)
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### 1、用处
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- 数据压缩(Data Compression),使程序运行更快
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- 可视化数据,例如`3D-->2D`

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