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Automated Data Collection With R (Hardcover)
售價:
$880.00
購買後立即進貨, 約需 18-25 天
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出版社: |
Wiley
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出版日期: |
2014/12/26 |
尺寸: |
244x170x44mm |
重量: |
0.87 kg |
ISBN: |
9781118834817 |
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商品簡介 |
A hands on guide to web scraping and text mining for both beginners and experienced users of R - Introduces fundamental concepts of the main architecture of the web and databases and covers HTTP, HTML, XML, JSON, SQL.
- Provides basic techniques to query web documents and data sets (XPath and regular expressions).
- An extensive set of exercises are presented to guide the reader through each technique.
- Explores both supervised and unsupervised techniques as well as advanced techniques such as data scraping and text management.
- Case studies are featured throughout along with examples for each technique presented.
- R code and solutions to exercises featured in the book are provided on a supporting website.
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