Intermediate Importing Data in R
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Parse data in any format. Whether it’s flat files, statistical software, databases, or data right from the web.
Course Description
In this course, you will take a deeper dive into the wide range of data formats out there. More specifically, you’ll learn how to import data from relational databases and how to import and work with data coming from the web. Finally, you’ll get hands-on experience with importing data from statistical software packages such as SAS, STATA, and SPSS.
What You’ll Learn
Importing data from databases (Part 1)
Many companies store their information in relational databases. The R community has also developed R packages to get data from these architectures. You’ll learn how to connect to a database and how to retrieve data from it.
Importing data from the web (Part 1)
More and more of the information that data scientists are using resides on the web. Importing this data into R requires an understanding of the protocols used on the web. In this chapter, you’ll get a crash course in HTTP and learn to perform your own HTTP requests from inside R.
Importing data from statistical software packages
Next to R, there are also other commonly used statistical software packages: SAS, STATA and SPSS. Each of them has their own file format. Learn how to use the haven and foreign packages to get them into R with remarkable ease!
Importing data from databases (Part 2)
Importing an entire table from a database while you might only need a tiny bit of information seems like a lot of unncessary work. In this chapter, you’ll learn about SQL queries, which will help you make things more efficient by performing some computations on the database side.
Importing data from the web (Part 2)
Importing data from the web is one thing
actually being able to extract useful information is another. Learn more about the JSON format to get one step closer to web domination.
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