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classification's Introduction

介绍:实验室的老师写论文需要进行比照实验,于是创建这个库。

实验内容:

  • 数据:老师给了我一些数据:2012-2019年接近两千个上市公司的一些特诊数据,具体是哪些特征还不清楚。 每个文件夹有A1-A15个表格。后面会介绍数据。

  • 使用的方法:首先需要对数据进行处理,将每年数据的特征合并,去掉某些特定特征的公司,然后将数据进行归一化,将归一化的数据进行采样,使用各种方法进行分类。

  • 采样方法:

    • 过采样:Random Oversampling,SMOTE,Border-line SMOTE,ADASYN
    • 欠采样:Random Undersampling,EasyEnsemble,BalanceCascade,NearMiss
    • 过采样和欠采样结合:SMOTE+ENN
  • 分类方法:MLP,朴素贝叶斯,C4.5,随机森林,bagging。

数据:

例子:A1.xls:

image-20210602185619699

A列表示公司的代号,后面的列是公司的某些特征数据。

每年的数据有A1-A15个表格。每年的公司数量是一定的,所以需要把特征按0轴合并到一起进行训练。

image-20210602185812759

有2012年到2019年的数据

image-20210602191127358

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