摘要: from sklearn.datasets import load_iris import numpy as np from numpy import linalg def pca(X,k): #去中心化 X = X-X.mean(axis = 0) #每一行代表特征,每一列代表样本 X_cov = 阅读全文
posted @ 2021-06-13 20:15 nb&space 阅读(109) 评论(0) 推荐(0)