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R libraries. How to download, install, and attach. Download & Install. Click “Packages > Install package(s)... Choose CRAN mirror site closer is better USA (NC) or USA(PA1) recommended Scroll through to find package e.g., Design (useful package for ROC curves, etc.)

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PowerPoint Slideshow about ' R libraries' - rigel-pennington


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r libraries

R libraries

How to

download, install, and attach

download install
Download & Install
  • Click “Packages > Install package(s)...
  • Choose CRAN mirror site
    • closer is better
    • USA (NC) or USA(PA1) recommended
  • Scroll through to find package
    • e.g., Design (useful package for ROC curves, etc.)
    • e.g., MPV (datasets for the MPV homeworks)
  • Double-click on package to install
other options
Other options
  • You can save library as zip file and then install
    • Why?
      • you have a copy of it for later use
      • it will be on your computer if/when you upgrade your R to a new version
  • Update packages already installed
    • you can have R update all of your packages that are currently installed
attaching library
Attaching library
  • Just because the library is installed does not mean you can use it.
  • You must “attach” it in every session that you want to use it.
  • Example:
    • lrm is in Design library
    • try typing lrm. R can’t find it.
    • need to attach library
attaching library1
Attaching library
  • library(Design)
  • lrm
  • library(help=Design)
  • library(MPV)
  • library(help=MPV)
  • data <- table.b1
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