USArrests数据集PCA可视化

import pandas as pd
from sklearn.preprocessing import StandardScaler
from sklearn.decomposition import PCA
import matplotlib.pyplot as plt
data = pd.read_csv('https://liangdaima.com/static/data/statistics/USArrests.csv', index_col=0)
scaler = StandardScaler()
X_scaled = scaler.fit_transform(data)
pca = PCA(n_components=2)
X_pca = pca.fit_transform(X_scaled)
plt.figure(figsize=(10, 8))
plt.scatter(X_pca[:, 0], X_pca[:, 1], s=50)
plt.xlabel('PC1')
plt.ylabel('PC2')
plt.title('USArrests PCA散点图')
plt.show()