一.基于Sklearn的PCA代码实现 import numpy as np import matplotlib.pyplot as plt from sklearn import datasets from sklearn.model_selection import train_test_split from sklearn.neighbors import KNeighborsClassifier from sklearn.decomposition import PCA digits =
# -*- coding: utf-8 -*- import numpy as np from sklearn.feature_extraction import FeatureHasher from sklearn import datasets from sklearn.ensemble import GradientBoostingClassifier from sklearn.neighbors import KNeighborsClassifier import xgboost as
import numpy as np import matplotlib.pyplot as plt from matplotlib import cm from mpl_toolkits.mplot3d import Axes3D from sklearn.model_selection import train_test_split from sklearn import datasets, linear_model,discriminant_analysis def load_data()
import numpy as np import matplotlib.pyplot as plt from matplotlib import cm from mpl_toolkits.mplot3d import Axes3D from sklearn import datasets, linear_model from sklearn.model_selection import train_test_split def load_data(): diabetes = datasets.
