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Gergely Daroczi

Mastering Data Analysis with R

  • Igor Alyoshinciteerde uit2 jaar geleden
    Besides GET requests, you can easily interact with RESTful API endpoints via POST, DELETE, or PUT requests as well by using the postForm function from the RCurl package or the httpDELETE, httpPUT, or httpHEAD functions— see details about the httr package later.
  • Igor Alyoshinciteerde uit2 jaar geleden
    HTTPS is not a separate protocol alongside HTTP, but instead HTTP over an encrypted SSL/TLS connection.
  • Igor Alyoshinciteerde uit2 jaar geleden
    it is also said, that around 80 percent of data analysis is spent cleaning data.
  • Igor Alyoshinciteerde uit2 jaar geleden
    Loading Excel spreadsheets
  • Igor Alyoshinciteerde uit2 jaar geleden
    R provides multiple ways to query data from a MySQL database. One option is to use the RMySQL package, which might be a bit tricky for some users to install.
  • Igor Alyoshinciteerde uit2 jaar geleden
    VirtualBox can be installed by your operating system's package manager on Linux or by downloading the installation binary/sources from https://www.virtualbox.org/wiki/Downloads. For detailed and operating-system specific installation information, please refer to the Chapter 2, Installation details of the manual: http://www.virtualbox.org/manual/.
  • Igor Alyoshinciteerde uit2 jaar geleden
    So, besides R, it's really worth knowing your way around RDBMS, which are extremely common in any industry you may be working at as a data analyst or in a similar position.

    Worth knowing to be working as a data analyst or similar

  • Igor Alyoshinciteerde uit2 jaar geleden
    Data files larger than the physical memory
  • Igor Alyoshinciteerde uit2 jaar geleden
    Downloading the example code
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