weixin_38092754的博客

数据来源于国外的网站，类似于国内的贴吧网站###  RedditNews.csv: two columns The first column is the "date", and second column is the "news headlines". All news are ranked from top to bottom based on how hot they are. Hen

######加载包#####from sklearn.feature_extraction.text import CountVectorizer,TfidfVectorizerimport pandas as pdimport numpy as npfrom sklearn.svm import SVCfrom sklearn.metrics import roc_auc_score

之前两个版本未使用word2vec，word2vec是自然语言处理的神器 接下来，看代码import pandas as pdimport numpy as npfrom sklearn.metrics import roc_auc_scorefrom datetime import dateimport os导入数据#####导入数据######os.chdir(r'D:/

本文是Kaggle 竞赛题 Home Depot Product Search Relevance######加载包#####from sklearn.ensemble import RandomForestRegressor,BaggingRegressorimport pandas as pdimport numpy as npfrom nltk.stem.snowball i

# -*- coding: utf-8 -*-"""Created on Tue Oct 31 09:56:19 2017@author: czw"""#导入包import numpy as npimport pandas as pdfrom sklearn.ensemble import RandomForestRegressor,BaggingRegressorfrom n

import pymysqlfrom sklearn.feature_extraction.text import TfidfVectorizer,CountVectorizerfrom sklearn.decomposition import LatentDirichletAllocationimport jiebaimport ldaimport numpy as npdef m