03 2017 档案

摘要:http://career.guru99.com/top-50-sql-question-answers/ 1. What is DBMS? A Database Management System (DBMS) is a program that controls creation, mainte 阅读全文
posted @ 2017-03-30 17:00 sheepshaker 阅读(340) 评论(0) 推荐(0)
摘要:课后习题完成:https://github.com/sheepshaker1011/ISL-homework/blob/master/ISL%2B-%2BCh.3%2BEx.ipynb 3.1 Simple Linear Regression $$\hat y = \hat \beta_0 + \h 阅读全文
posted @ 2017-03-27 00:10 sheepshaker 阅读(384) 评论(0) 推荐(0)
摘要:2.1 What Is Statistical Learning? In essence, statistical learning refers to a set of approaches for estimating f. 2.1.1 Why Estimate f? Prediction: p 阅读全文
posted @ 2017-03-25 14:33 sheepshaker 阅读(543) 评论(0) 推荐(0)
摘要:是自己最近学习 "An Introduction to Statistical Learning with Applications in R" 的一个笔记整理。 http://www-bcf.usc.edu/~gareth/ISL/ 本书的作者是Gareth James, Daniela Witt 阅读全文
posted @ 2017-03-24 20:36 sheepshaker 阅读(3372) 评论(0) 推荐(0)
摘要:175. Combine Two Tables My solution: 182. Duplicate Emails My solutions: 阅读全文
posted @ 2017-03-14 20:02 sheepshaker 阅读(117) 评论(0) 推荐(0)
摘要:181. Employees Earning More Than Their Managers My solution: 阅读全文
posted @ 2017-03-12 23:28 sheepshaker 阅读(171) 评论(0) 推荐(0)