用朴素贝叶斯算法对sklearn自带的新闻进行分类
from sklearn.datasets import fetch_20newsgroups
from sklearn.feature_extraction.text import TfidfVectorizer
from sklearn.naive_bayes import MultinomialNB
from sklearn.model_selection import train_test_split
def nb_news():
#1)加载数据
news=fetch_20newsg
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2020-11-23 09:30:41 ·
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