博客
关于我
西瓜书读书笔记3-对数几率回归(logistic回归)公式推导
阅读量:226 次
发布时间:2019-03-01

本文共 839 字,大约阅读时间需要 2 分钟。

?????????????

1. ??????

???????Generalized Linear Model, GLM?????????????????????????????????????????????GLM????????

  • ??????????????????????
  • ?????????????????????????
  • ?????????????????????????????????????????
  • GLM?????????????????????????????????

    2. ??????

    ???????Logistic Regression???????????????????????????????????????????????????????????

  • ?????????????????????????????????
  • ???????????????????????????
  • 1. ???????????????

    ?????????????[ \log(\pi_{y=1}X) = \beta_0 + \beta_1X_1 + \beta_2X_2 + \ldots + \beta_kX_k ]???(\pi_{y=1})?????????(X_1, X_2, \ldots, X_k)?????

    2. ????????

    ????????[ \mathcal{L}(\beta) = \sum_{i=1}^n [\ln(\pi_{y_i=1}X_i) + \ln(\pi_{y_i=0}X_i)] ]???(\beta)??????????????????????

    3. ???????????

    ?????????????????????????(\hat{\beta})??????????????

    3. ???????????

    ?????????????????????????????????????????????????????????

    转载地址:http://jaiv.baihongyu.com/

    你可能感兴趣的文章
    PrintStream概述
    查看>>
    Prismix:Prisma 架构混合器,为复杂项目而生
    查看>>
    pritunl服务安装及配置
    查看>>
    Private Destructor
    查看>>
    private和protected能同时修饰成员变量吗_天天用注解你了解注解是怎么实现的吗?...
    查看>>
    privoxy Invalid header received from client.
    查看>>
    Privoxy代码下载
    查看>>
    Probabilistic-Programming-and-Bayesian-Methods-for-Hackers
    查看>>
    pytorch中的求和函数sum(axis=x)解释
    查看>>
    Problem F: 质心算法
    查看>>
    Problem N HDU 2612 Find a way (两次BFS求最值)
    查看>>
    Process /usr/libexec/gdu-notification-daemon was killed by signal 6 (SIGABRT)
    查看>>
    process.env.VUE_APP_BASE_API 获取不到
    查看>>
    Process.run() 和 Process.start() 之间的区别
    查看>>
    Processes
    查看>>
    Processing通过编程实现艺术设计_实现艺术和现实的交互---数据设计分析002
    查看>>
    ProcessOnLoading
    查看>>
    SpringBoot中集成screw(螺丝钉)实现数据库表结构文档生成
    查看>>
    PROFINET 模拟器使用教程
    查看>>
    Program type already present: android.support.v4.widget.EdgeEffectCompat
    查看>>