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-o2o-'s Introduction

#-o2o-天池新人实战赛O2O优惠券使用预测-R语言 https://tianchi.aliyun.com/competition/entrance/231593/information 本人断断续续三个月的时间,因经常间断,变量并不是一气呵成完成,反复十几次新增,修改,很多类似的变量都没用写成函数,所以代码中出现大量的复复,希望不要见笑上传了四段代码,运行顺序是train_two-> train_two_online-> Variable_selection_two_no_bin-> fourth_vote 前两个脚本是原始变量的生成,每一个变量都有注释,如运行,整个过程需90分钟左右(我个人用是WIN7,R3.5.1,ThinkPad250,8G) 第三个脚本是变量筛选过程,原始变量221个,最后筛先后为72个,因变量聚类过程太慢要历时4个小时左右(15次验证),因数据集太大无法上传最终作模型的最终集,如有需要,可发[email protected]给我,我个人传你。 第四个是模型脚本 LR:0.78488773 GBM:0.79569683 RF:0.78339143 XGB:0.78936458 NNET:0.78976378 最终:GBM * 0.5 + NNET * 0.3 + LR * 0.2成绩:0.80065

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