8-PCA降維實戰

import numpy as np import pandas as pd df = pd.read_csv('./data/iris.data') print(df.head()) 5.1 3.5 1.4 0.2 Iris-setosa 0 4.9 3.0 1.4 0.2 Iris-setosa 1 4.7 3.2 1.3 0.2 Iris-setosa 2 4

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