主要分为如下内容: 一.线性回归 二.逻辑回归 三.逻辑回归评分卡流程 一.线性回归 二.逻辑回归 在线性回归的基础上引入了sigmoid函数,Logistic回归为什么要使用sigmoid函数 三.逻辑回归评分卡流程 1.y值确定 2.变量分析(缺失值处理.离散值处理) 3.特征工程 4.数据预处理:无量纲化(标准化.区间缩放法.归一化).二值化.哑变量 5.分箱.woe转化.iv值 6.变量选择:Filter.Wrapper.Embedded http://blog.sina.com.cn/…

sklearn实战-乳腺癌细胞数据挖掘(博客主亲自录制视频教程) https://study.163.com/course/introduction.htm?courseId=1005269003&utm_campaign=commission&utm_source=cp-400000000398149&utm_medium=share 参考资料 https://www.cnblogs.com/webRobot/p/9034079.html 逻辑回归重点: 1.sigmoid函数(…

调参策略 最大化 off_ks + 0.8(off_ks-train_ks) import pandas as pd from sklearn.metrics import roc_auc_score,roc_curve,auc from sklearn.model_selection import train_test_split from sklearn import metrics from sklearn.linear_model import LogisticRegression im…

https://blog.csdn.net/varyall/article/details/81173326 如今在银行.消费金融公司等各种贷款业务机构,普遍使用信用评分,对客户实行打分制,以期对客户有一个优质与否的评判.但是不是所有人都知道信用评分卡还分A,B,C卡三类! A卡(Application score card)申请评分卡 B卡(Behavior score card)行为评分卡 C卡(Collection score card)催收评分卡 评分机制的区别在于: 1.使用的时间不同…

python信用评分卡(附代码,博主录制) https://study.163.com/course/introduction.htm?courseId=1005214003&utm_campaign=commission&utm_source=cp-400000000398149&utm_medium=share Credit Scorecards – Business Integration of Predictive Analytics 预测分析的业务知识 (part 7 o…

python信用评分卡(附代码,博主录制) https://study.163.com/course/introduction.htm?courseId=1005214003&utm_campaign=commission&utm_source=cp-400000000398149&utm_medium=share Credit Scorecards – Model Validation 模型验证(Part 6 of 7) There are only two ways to li…

python信用评分卡(附代码,博主录制) https://study.163.com/course/introduction.htm?courseId=1005214003&utm_campaign=commission&utm_source=cp-400000000398149&utm_medium=share 信用评分卡-逻辑回归 Credit Scorecards – Logistic Regression (part 5 of 7) A Primer on Logisti…

python信用评分卡(附代码,博主录制) https://study.163.com/course/introduction.htm?courseId=1005214003&utm_campaign=commission&utm_source=cp-400000000398149&utm_medium=share Credit Scorecards – Advanced Analytics 高级数据分析(part 4 of 7) Modeling in Advanced Anal…

python信用评分卡(附代码,博主录制) https://study.163.com/course/introduction.htm?courseId=1005214003&utm_campaign=commission&utm_source=cp-400000000398149&utm_medium=share 变量筛选Variables Selection in Predictive Analytics Predictive Analytics: Variables Sele…

python信用评分卡(附代码,博主录制) https://study.163.com/course/introduction.htm?courseId=1005214003&utm_campaign=commission&utm_source=cp-400000000398149&utm_medium=share 统计和数据挖掘中分类问题 Classification Problem in Statistics & Data Mining I must say I was…