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A. 统计 1. 《An Introduction to Statistical Learning》作者: Gareth James / Daniela Witten / Trevor Hastie / Robert Tibshirani，出版社: Springer，副标题: with Applic 阅读全文
posted @ 2017-05-24 11:11
sheepshaker
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Chapter 11 Advanced Searching introduces recipes that are crucial for everyday development and yet sometimes slip through the cracks. These recipes ar 阅读全文
posted @ 2017-05-18 11:12
sheepshaker
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by Anthony Molinaro Preface 平台与版本 DB2 v.8 Oracle Database 10g (with the exception of a handful of recipes, the solutions will work for Oracle8i Databa 阅读全文
posted @ 2017-05-15 17:23
sheepshaker
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Q: Why might we want to use another fitting procedure instead of least squares? A: alternative fitting procedures can yield better prediction accuracy 阅读全文
posted @ 2017-04-04 12:48
sheepshaker
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Resampling methods involve repeatedly drawing samples from a training set and refitting a model of interest on each sample in order to obtain addition 阅读全文
posted @ 2017-04-03 23:22
sheepshaker
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The linear regression model discussed in Chapter 3 assumes that the response variable Y is quantitative. But in many situations, the response variable 阅读全文
posted @ 2017-04-03 18:11
sheepshaker
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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
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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
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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
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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
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