使用scikit-learn中的PCA方法降维时,指定降维维度的参数是___。A.n_componentsB.copyC.whitenD.svd_solve
import matplotlib.pyplot as plt from sklearn.decomposition import PCA from sklearn.datasets import load_iris data = load_iris() X = data.data y = data.target pca = PCA(n_components= ) reduced_X = pca.fit_transform(X) 点击查看答案...