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天池“资金流入流出预测——挑战baseline”的解决方案,线上效果143.5

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tianchi data-mining competition time-series prediction

the-purchase-and-redemption-forecast-challenge-baseline's Introduction

The-Purchase-and-Redemption-Forecast-Challenge-baseline

天池“资金流入流出预测——挑战baseline”的解决方案,线上效果143.5

项目结构

  1. 数据探索与分析 对于赛题的理解与对数据的分析
  2. 数据探索与分析 对于赛题的理解与对数据的分析
  3. 时间序列规则 采用简单时间序列规则进行预测
  4. 时间序列 采用时间序列模型进行预测(本章节未上传,但不影响继续后面几个章节)
  5. 特征工程 面向机器学习模型进行时间序列特征工程
  6. 建模预测 采用机器学习模型进行建模预测

/slide 文件夹存放了代码对应的课件

Q&A

Q: 我在运行您的第6个文件时发现缺少数据,请问是否缺少文件,遇到这个问题可以怎么 处理?
A: 首先您需要先运行05.特征工程生成特征文件保存在./Feature目录下。其次06.建模预测中对Purchase以及Redeem分别建模,因此您需要将05.特征工程中的Purchase替换成Redeem再次运行一遍,以生成Redeem特征。

Q: 您好!在天池竞赛——资金流入流出预测中,在训练模型的时候发现某个文件不存在feature0522.csv,请问是否存在其他脚本,如果有可以发一下吗?
A: feature0522并没有实际生成,您可以读取05.特征工程中生成的purchase_feature_droped_0614.csv文件,在建模时删除特征名中不带有"is"的特征,与feature0522建模效果是等价的。

声明

本项目库专门存放阿里天池在线课程《资金流入流出预测-挑战Baseline》的相关代码文件,所有代码仅供各位同学学习参考使用,未经许可不得用于商业用途。如有任何对代码的问题请邮箱联系:[email protected]

知乎ID:小雨姑娘

天池ID:小雨姑娘 & BruceQD

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the-purchase-and-redemption-forecast-challenge-baseline's Issues

有04文件吗?

最近在学习关于时间序列预测的内容,知乎看到您关于这方面的评论发现您的代码思路有很多我需要学习的地方,想问一下关于04文件是有吗? 06文件需要一个feature0522.csv文件是没有的,是在04文件中吗?

特征工程是根据残差来选特征吗

在03文件中,生成的bsaeline一个是残差,一个是周期性预测值,在特征工程中,我看的是根据残差来选特征的,是这样吗? 那在建模的时候label是残差吗? 那如果要获得真实值,是根据预测的残差×周期性预测值吗
另外想请教您在资金流入流出的比赛中,您选用的最好的模型是?
谢谢回答😜

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