摘要：
1. 导入boston房价数据集 from sklearn.datasets import load_boston boston=load_boston() boston.keys() print(boston.DESCR) boston.data.shape import pandas as pd 阅读全文
摘要：
from nltk.corpus import stopwords from nltk.stem import WordNetLemmatizer #读取数据集 import csv file_path=r'F:\SMSSpamCollectionjsn.txt' sms=open(file_path,'r',encoding='utf-8') sms_data=[] sms_label=[] ... 阅读全文