u013044815的博客

from sklearn.datasets import fetch_20newsgroups #下载数据 news = fetch_20newsgroups(subset='all') print(news.data[0]) 需要从互联网下载数据 From: Mamatha Devineni Ratnam <mr47+@andrew.cmu.edu> Subject: Pens f...

from sklearn.datasets import load_digits #导入手写字数据集 from sklearn.model_selection import train_test_split #训练/测试数据切分模块 from sklearn.preprocessing import StandardScaler #数据归一化模块 from sklearn.svm import L...

import pandas as pd import numpy as np from sklearn.model_selection import train_test_split #使用线性分类器预测 from sklearn.preprocessing import StandardScaler from sklearn.linear_model import LogisticRegress...