An Introduction to Statistical Learning: with Applications in R (Springer Texts in Statistics)
13th Edition
ISBN: 9781461471370
Author: Gareth James
Publisher: SPRINGER NATURE CUSTOMER SERVICE
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Chapter 2, Problem 9E
a.
Explanation of Solution
Predictors
- Name is qualitative, the rest are quantitative.
- However, looking at summary(), it is notic...
b.
Explanation of Solution
Range of predictor
- The range of each quantitative pred...
c.
Explanation of Solution
Mean and standard deviation of predictor
- Using signif() function, it can be round to two significant digits...
d.
Explanation of Solution
Range,median and standard deviation of predictor
- Using round() function, it rounds to two decimal places rather than two significant digits...
e.
Explanation of Solution
Simple linear regression
- It is easy to see that if xi is replac...
f.
Explanation of Solution
Predictors
- After plotting predictors graphically, it will be
library(pheatmap)
pheatmap(t(scale(as...
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Chapter 2 Solutions
An Introduction to Statistical Learning: with Applications in R (Springer Texts in Statistics)
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