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
    Objective-C实现linear algebra线性代数算法(附完整源码)
    查看>>
    Objective-C实现linear congruential generator线性同余发生器算法(附完整源码)
    查看>>
    Objective-C实现linear discriminant analysis线性判别分析算法(附完整源码)
    查看>>
    Objective-C实现linear regression线性回归算法(附完整源码)
    查看>>
    Objective-C实现linear search线性搜索算法(附完整源码)
    查看>>
    Objective-C实现Linear search线性搜索算法(附完整源码)
    查看>>
    Objective-C实现LinearSieve线性素数筛选算法 (附完整源码)
    查看>>
    Objective-C实现LinkedListNode链表节点类算法(附完整源码)
    查看>>
    Objective-C实现LinkedList链表算法(附完整源码)
    查看>>
    Objective-C实现local weighted learning局部加权学习算法(附完整源码)
    查看>>
    Objective-C实现logistic regression逻辑回归算法(附完整源码)
    查看>>
    Objective-C实现logistic sigmoid函数(附完整源码)
    查看>>
    Objective-C实现longest Common Substring最长公共子串算法(附完整源码)
    查看>>
    Objective-C实现longest increasing subsequence最长递增子序列算法(附完整源码)
    查看>>
    Objective-C实现longestCommonSubsequence最长公共子序列算法(附完整源码)
    查看>>
    Objective-C实现LongestIncreasingSubsequence最长递增子序列算法(附完整源码)
    查看>>
    Objective-C实现lorenz transformation 洛伦兹变换算法(附完整源码)
    查看>>
    Objective-C实现Lower-Upper Decomposition上下分解算法(附完整源码)
    查看>>
    Objective-C实现LowerCaseConversion小写转换算法(附完整源码)
    查看>>
    Objective-C实现lowest common ancestor最低共同祖先算法(附完整源码)
    查看>>